diff --git a/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java b/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
index 9018320e479c5..0390ac6b8e9cb 100644
--- a/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
+++ b/core/tests/mockingcoretests/src/android/app/activity/ActivityThreadClientTest.java
@@ -210,6 +210,7 @@ public class ActivityThreadClientTest {
             info.applicationInfo = new ApplicationInfo();
             info.applicationInfo.packageName = info.packageName;
             info.applicationInfo.uid = UserHandle.myUserId();
+            info.applicationInfo.sourceDir = "/test/sourceDir";
 
             // mock the function for preventing NPE in emulator environment. The purpose of the
             // test is for activity client state changes, we don't focus on the updating for the