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 2494054..e37d806 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 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 57943ec..2a50912 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 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 6f0e202..d5da1a8 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 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 dac8fa2..7fdcb9b 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 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 baecc16..308e954 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 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 3063ea5..39e75bd 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 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 41660ba..e18da17 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 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 c41ffb7..00d60e7 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 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 afde55b..d7efbc8 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 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 3765fc4..4eece3f 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 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 1e128fd..d96b056 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 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 7767872..809b690 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 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 4ca4bd1..bbdf2d7 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 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 2d9d258..5c29fd8 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 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 c9282ac..a7398eb 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 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 68c6d6c..eae88ad 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 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 304529e..7e8ee04 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 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 53a6b44..9295c33 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 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 a467830..4b59e9f 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 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 1524233..5ff36d4 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 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 0389659..c0cb721 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 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 7fadf18..8c14088 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 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 148cc52..7b6614b 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 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 0641fb0..5df5be9 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 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 741f871..9d63003 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 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 778e2d6..9fa04b2 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 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 dcdca70..9386aa2 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 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 3c69311..5ef2167 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 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 c6566f5..9caab9b 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.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 bb1a502..bf484e5 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.runners.BlockJUnit4ClassRunner
 
 @RunWith(BlockJUnit4ClassRunner::class)
-class UnlockKeyguardToSplitScreenGesturalNavPortrait : UnlockKeyguardToSplitScreen() {
+open class UnlockKeyguardToSplitScreenGesturalNavPortrait : UnlockKeyguardToSplitScreen() {
     @PlatinumTest(focusArea = "sysui")
     @Presubmit
     @Test