diff --git a/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java b/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
index 3e84a76..9a053f2 100644
--- a/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
+++ b/quickstep/tests/src/com/android/quickstep/DigitalWellBeingToastTest.java
@@ -3,6 +3,8 @@
 import static androidx.test.InstrumentationRegistry.getInstrumentation;
 
 import static com.android.launcher3.LauncherState.OVERVIEW;
+import static com.android.launcher3.util.rule.TestStabilityRule.PLATFORM_POSTSUBMIT;
+import static com.android.launcher3.util.rule.TestStabilityRule.UNBUNDLED_POSTSUBMIT;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
@@ -16,6 +18,7 @@
 import androidx.test.runner.AndroidJUnit4;
 
 import com.android.launcher3.Launcher;
+import com.android.launcher3.util.rule.TestStabilityRule;
 import com.android.quickstep.views.DigitalWellBeingToast;
 import com.android.quickstep.views.RecentsView;
 import com.android.quickstep.views.TaskView;
@@ -32,6 +35,8 @@
             resolveSystemApp(Intent.CATEGORY_APP_CALCULATOR);
 
     @Test
+    // b/150303529
+    @TestStabilityRule.Stability(flavors = UNBUNDLED_POSTSUBMIT | PLATFORM_POSTSUBMIT)
     public void testToast() throws Exception {
         startAppFast(CALCULATOR_PACKAGE);