diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavLandscape.kt
index 2494054c1fae8..e37d806c7a14a 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.CopyContentInSplit
 import org.junit.Test
 
-class CopyContentInSplitGesturalNavLandscape : CopyContentInSplit(Rotation.ROTATION_90) {
+open class CopyContentInSplitGesturalNavLandscape : CopyContentInSplit(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavPortrait.kt
index 57943ec4c8fa7..2a50912e0a5cd 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/CopyContentInSplitGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.CopyContentInSplit
 import org.junit.Test
 
-class CopyContentInSplitGesturalNavPortrait : CopyContentInSplit(Rotation.ROTATION_0) {
+open class CopyContentInSplitGesturalNavPortrait : CopyContentInSplit(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavLandscape.kt
index 6f0e202ae70fc..d5da1a8b558c9 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DismissSplitScreenByDivider
 import org.junit.Test
 
-class DismissSplitScreenByDividerGesturalNavLandscape :
+open class DismissSplitScreenByDividerGesturalNavLandscape :
     DismissSplitScreenByDivider(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavPortrait.kt
index dac8fa24b289a..7fdcb9be62eea 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByDividerGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DismissSplitScreenByDivider
 import org.junit.Test
 
-class DismissSplitScreenByDividerGesturalNavPortrait :
+open class DismissSplitScreenByDividerGesturalNavPortrait :
     DismissSplitScreenByDivider(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavLandscape.kt
index baecc161d227e..308e954b86c18 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DismissSplitScreenByGoHome
 import org.junit.Test
 
-class DismissSplitScreenByGoHomeGesturalNavLandscape :
+open class DismissSplitScreenByGoHomeGesturalNavLandscape :
     DismissSplitScreenByGoHome(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavPortrait.kt
index 3063ea564b58b..39e75bd25a717 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DismissSplitScreenByGoHomeGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DismissSplitScreenByGoHome
 import org.junit.Test
 
-class DismissSplitScreenByGoHomeGesturalNavPortrait :
+open class DismissSplitScreenByGoHomeGesturalNavPortrait :
     DismissSplitScreenByGoHome(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavLandscape.kt
index 41660ba68385a..e18da17175c0d 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DragDividerToResize
 import org.junit.Test
 
-class DragDividerToResizeGesturalNavLandscape : DragDividerToResize(Rotation.ROTATION_90) {
+open class DragDividerToResizeGesturalNavLandscape : DragDividerToResize(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavPortrait.kt
index c41ffb786cd97..00d60e756ffa0 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/DragDividerToResizeGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.DragDividerToResize
 import org.junit.Test
 
-class DragDividerToResizeGesturalNavPortrait : DragDividerToResize(Rotation.ROTATION_0) {
+open class DragDividerToResizeGesturalNavPortrait : DragDividerToResize(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavLandscape.kt
index afde55bf519f8..d7efbc8c0fd47 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromAllApps
 import org.junit.Test
 
-class EnterSplitScreenByDragFromAllAppsGesturalNavLandscape :
+open class EnterSplitScreenByDragFromAllAppsGesturalNavLandscape :
     EnterSplitScreenByDragFromAllApps(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavPortrait.kt
index 3765fc42d2c9d..4eece3f62d106 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromAllAppsGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromAllApps
 import org.junit.Test
 
-class EnterSplitScreenByDragFromAllAppsGesturalNavPortrait :
+open class EnterSplitScreenByDragFromAllAppsGesturalNavPortrait :
     EnterSplitScreenByDragFromAllApps(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavLandscape.kt
index 1e128fd3e47f9..d96b056d87537 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromNotification
 import org.junit.Test
 
-class EnterSplitScreenByDragFromNotificationGesturalNavLandscape :
+open class EnterSplitScreenByDragFromNotificationGesturalNavLandscape :
     EnterSplitScreenByDragFromNotification(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavPortrait.kt
index 7767872cb7fd7..809b690e08619 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromNotificationGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromNotification
 import org.junit.Test
 
-class EnterSplitScreenByDragFromNotificationGesturalNavPortrait :
+open class EnterSplitScreenByDragFromNotificationGesturalNavPortrait :
     EnterSplitScreenByDragFromNotification(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavLandscape.kt
index 4ca4bd1d6d8bf..bbdf2d728494c 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromShortcut
 import org.junit.Test
 
-class EnterSplitScreenByDragFromShortcutGesturalNavLandscape :
+open class EnterSplitScreenByDragFromShortcutGesturalNavLandscape :
     EnterSplitScreenByDragFromShortcut(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavPortrait.kt
index 2d9d258ecc544..5c29fd8fe57e5 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromShortcutGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromShortcut
 import org.junit.Test
 
-class EnterSplitScreenByDragFromShortcutGesturalNavPortrait :
+open class EnterSplitScreenByDragFromShortcutGesturalNavPortrait :
     EnterSplitScreenByDragFromShortcut(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavLandscape.kt
index c9282acc5a2f3..a7398ebf56e81 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromTaskbar
 import org.junit.Test
 
-class EnterSplitScreenByDragFromTaskbarGesturalNavLandscape :
+open class EnterSplitScreenByDragFromTaskbarGesturalNavLandscape :
     EnterSplitScreenByDragFromTaskbar(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavPortrait.kt
index 68c6d6cccec14..eae88ad4ad091 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenByDragFromTaskbarGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenByDragFromTaskbar
 import org.junit.Test
 
-class EnterSplitScreenByDragFromTaskbarGesturalNavPortrait :
+open class EnterSplitScreenByDragFromTaskbarGesturalNavPortrait :
     EnterSplitScreenByDragFromTaskbar(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavLandscape.kt
index 304529ec83fb9..7e8ee04a28faf 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenFromOverview
 import org.junit.Test
 
-class EnterSplitScreenFromOverviewGesturalNavLandscape :
+open class EnterSplitScreenFromOverviewGesturalNavLandscape :
     EnterSplitScreenFromOverview(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavPortrait.kt
index 53a6b449df2b7..9295c330b8799 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/EnterSplitScreenFromOverviewGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.EnterSplitScreenFromOverview
 import org.junit.Test
 
-class EnterSplitScreenFromOverviewGesturalNavPortrait :
+open class EnterSplitScreenFromOverviewGesturalNavPortrait :
     EnterSplitScreenFromOverview(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavLandscape.kt
index a4678301be125..4b59e9fbd866d 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchAppByDoubleTapDivider
 import org.junit.Test
 
-class SwitchAppByDoubleTapDividerGesturalNavLandscape :
+open class SwitchAppByDoubleTapDividerGesturalNavLandscape :
     SwitchAppByDoubleTapDivider(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavPortrait.kt
index 15242330a554c..5ff36d4aabbb6 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchAppByDoubleTapDividerGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchAppByDoubleTapDivider
 import org.junit.Test
 
-class SwitchAppByDoubleTapDividerGesturalNavPortrait :
+open class SwitchAppByDoubleTapDividerGesturalNavPortrait :
     SwitchAppByDoubleTapDivider(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavLandscape.kt
index 0389659457e54..c0cb7219437b9 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromAnotherApp
 import org.junit.Test
 
-class SwitchBackToSplitFromAnotherAppGesturalNavLandscape :
+open class SwitchBackToSplitFromAnotherAppGesturalNavLandscape :
     SwitchBackToSplitFromAnotherApp(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavPortrait.kt
index 7fadf184d74b6..8c140884aa50a 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromAnotherAppGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromAnotherApp
 import org.junit.Test
 
-class SwitchBackToSplitFromAnotherAppGesturalNavPortrait :
+open class SwitchBackToSplitFromAnotherAppGesturalNavPortrait :
     SwitchBackToSplitFromAnotherApp(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavLandscape.kt
index 148cc522e64dc..7b6614b81c116 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromHome
 import org.junit.Test
 
-class SwitchBackToSplitFromHomeGesturalNavLandscape :
+open class SwitchBackToSplitFromHomeGesturalNavLandscape :
     SwitchBackToSplitFromHome(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavPortrait.kt
index 0641fb03527cc..5df5be9daa8bd 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromHomeGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromHome
 import org.junit.Test
 
-class SwitchBackToSplitFromHomeGesturalNavPortrait :
+open class SwitchBackToSplitFromHomeGesturalNavPortrait :
     SwitchBackToSplitFromHome(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavLandscape.kt
index 741f871e2c5f6..9d63003bf2a19 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavLandscape.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromRecent
 import org.junit.Test
 
-class SwitchBackToSplitFromRecentGesturalNavLandscape :
+open class SwitchBackToSplitFromRecentGesturalNavLandscape :
     SwitchBackToSplitFromRecent(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavPortrait.kt
index 778e2d6a048a1..9fa04b208ad1a 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBackToSplitFromRecentGesturalNavPortrait.kt
@@ -22,7 +22,7 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBackToSplitFromRecent
 import org.junit.Test
 
-class SwitchBackToSplitFromRecentGesturalNavPortrait :
+open class SwitchBackToSplitFromRecentGesturalNavPortrait :
     SwitchBackToSplitFromRecent(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavLandscape.kt
index dcdca70e0f111..9386aa2b2cf04 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavLandscape.kt
@@ -22,7 +22,8 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBetweenSplitPairs
 import org.junit.Test
 
-class SwitchBetweenSplitPairsGesturalNavLandscape : SwitchBetweenSplitPairs(Rotation.ROTATION_90) {
+open class SwitchBetweenSplitPairsGesturalNavLandscape :
+    SwitchBetweenSplitPairs(Rotation.ROTATION_90) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavPortrait.kt
index 3c69311a70289..5ef21672bfe04 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/SwitchBetweenSplitPairsGesturalNavPortrait.kt
@@ -22,7 +22,8 @@ import android.tools.common.Rotation
 import com.android.wm.shell.flicker.service.splitscreen.scenarios.SwitchBetweenSplitPairs
 import org.junit.Test
 
-class SwitchBetweenSplitPairsGesturalNavPortrait : SwitchBetweenSplitPairs(Rotation.ROTATION_0) {
+open class SwitchBetweenSplitPairsGesturalNavPortrait :
+    SwitchBetweenSplitPairs(Rotation.ROTATION_0) {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavLandscape.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavLandscape.kt
index c6566f5bec802..9caab9b5182a8 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavLandscape.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavLandscape.kt
@@ -24,7 +24,7 @@ import org.junit.runner.RunWith
 import org.junit.runners.BlockJUnit4ClassRunner
 
 @RunWith(BlockJUnit4ClassRunner::class)
-class UnlockKeyguardToSplitScreenGesturalNavLandscape : UnlockKeyguardToSplitScreen() {
+open class UnlockKeyguardToSplitScreenGesturalNavLandscape : UnlockKeyguardToSplitScreen() {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test
diff --git a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavPortrait.kt b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavPortrait.kt
index bb1a5025c5dca..bf484e5cef98a 100644
--- a/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavPortrait.kt
+++ b/libs/WindowManager/Shell/tests/flicker/src/com/android/wm/shell/flicker/service/splitscreen/platinum/UnlockKeyguardToSplitScreenGesturalNavPortrait.kt
@@ -24,7 +24,7 @@ import org.junit.runner.RunWith
 import org.junit.runners.BlockJUnit4ClassRunner
 
 @RunWith(BlockJUnit4ClassRunner::class)
-class UnlockKeyguardToSplitScreenGesturalNavPortrait : UnlockKeyguardToSplitScreen() {
+open class UnlockKeyguardToSplitScreenGesturalNavPortrait : UnlockKeyguardToSplitScreen() {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test