diff --git a/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java b/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
index 9d95de7eb60f4..f17124735b05d 100644
--- a/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
+++ b/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
@@ -85,7 +85,7 @@ import java.util.concurrent.TimeUnit;
 @MediumTest
 @Presubmit
 public class ActivityThreadClientTest {
-    private static final long WAIT_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(5);
+    private static final long WAIT_TIMEOUT_MS = TimeUnit.SECONDS.toMillis(10);
 
     @Test
     @UiThreadTest