diff --git a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
index e9d8bce..c60cf45 100644
--- a/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
+++ b/quickstep/tests/src/com/android/quickstep/TaplTestsQuickstep.java
@@ -55,12 +55,7 @@
     @Before
     public void setUp() throws Exception {
         super.setUp();
-
-        clearLauncherData();
-
-        mLauncher.pressHome();
-        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
-        waitForResumed("Launcher internal state is still Background");
+        TaplTestsLauncher3.initialize(this);
     }
 
     private void startTestApps() throws Exception {
diff --git a/src/com/android/launcher3/DeleteDropTarget.java b/src/com/android/launcher3/DeleteDropTarget.java
index 70c8aaa..4c6824a 100644
--- a/src/com/android/launcher3/DeleteDropTarget.java
+++ b/src/com/android/launcher3/DeleteDropTarget.java
@@ -91,6 +91,7 @@
             mText = getResources().getString(canRemove(item)
                     ? R.string.remove_drop_target_label
                     : android.R.string.cancel);
+            setContentDescription(mText);
             requestLayout();
         }
     }
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 899cdd3..6d85612 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -19,6 +19,11 @@
 import static android.view.View.IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS;
 import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
 
+import static com.android.launcher3.TestProtocol.ALL_APPS_STATE_ORDINAL;
+import static com.android.launcher3.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
+import static com.android.launcher3.TestProtocol.NORMAL_STATE_ORDINAL;
+import static com.android.launcher3.TestProtocol.OVERVIEW_STATE_ORDINAL;
+import static com.android.launcher3.TestProtocol.SPRING_LOADED_STATE_ORDINAL;
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.states.RotationHelper.REQUEST_NONE;
 
@@ -77,17 +82,20 @@
     /**
      * TODO: Create a separate class for NORMAL state.
      */
-    public static final LauncherState NORMAL = new LauncherState(0, ContainerType.WORKSPACE, 0,
+    public static final LauncherState NORMAL = new LauncherState(NORMAL_STATE_ORDINAL,
+            ContainerType.WORKSPACE, 0,
             FLAG_DISABLE_RESTORE | FLAG_WORKSPACE_ICONS_CAN_BE_DRAGGED | FLAG_HIDE_BACK_BUTTON |
             FLAG_HAS_SYS_UI_SCRIM);
 
     /**
      * Various Launcher states arranged in the increasing order of UI layers
      */
-    public static final LauncherState SPRING_LOADED = new SpringLoadedState(1);
-    public static final LauncherState OVERVIEW = new OverviewState(2);
-    public static final LauncherState ALL_APPS = new AllAppsState(3);
-    public static final LauncherState BACKGROUND_APP = new BackgroundAppState(4);
+    public static final LauncherState SPRING_LOADED = new SpringLoadedState(
+            SPRING_LOADED_STATE_ORDINAL);
+    public static final LauncherState OVERVIEW = new OverviewState(OVERVIEW_STATE_ORDINAL);
+    public static final LauncherState ALL_APPS = new AllAppsState(ALL_APPS_STATE_ORDINAL);
+    public static final LauncherState BACKGROUND_APP = new BackgroundAppState(
+            BACKGROUND_APP_STATE_ORDINAL);
 
     public final int ordinal;
 
diff --git a/src/com/android/launcher3/TestProtocol.java b/src/com/android/launcher3/TestProtocol.java
index 008b624..23df79e 100644
--- a/src/com/android/launcher3/TestProtocol.java
+++ b/src/com/android/launcher3/TestProtocol.java
@@ -25,4 +25,9 @@
     public static final String STATE_FIELD = "state";
     public static final String SWITCHED_TO_STATE_MESSAGE = "TAPL_SWITCHED_TO_STATE";
     public static final String RESPONSE_MESSAGE_POSTFIX = "_RESPONSE";
+    public static final int NORMAL_STATE_ORDINAL = 0;
+    public static final int SPRING_LOADED_STATE_ORDINAL = 1;
+    public static final int OVERVIEW_STATE_ORDINAL = 2;
+    public static final int ALL_APPS_STATE_ORDINAL = 3;
+    public static final int BACKGROUND_APP_STATE_ORDINAL = 4;
 }
diff --git a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
index 47b98fb..33cb5be 100644
--- a/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
+++ b/tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java
@@ -39,6 +39,7 @@
 import com.android.launcher3.tapl.AppIcon;
 import com.android.launcher3.tapl.AppIconMenu;
 import com.android.launcher3.tapl.AppIconMenuItem;
+import com.android.launcher3.tapl.TestHelpers;
 import com.android.launcher3.tapl.Widgets;
 import com.android.launcher3.tapl.Workspace;
 import com.android.launcher3.views.OptionsPopupView;
@@ -104,13 +105,15 @@
     @Before
     public void setUp() throws Exception {
         super.setUp();
+        initialize(this);
+    }
 
-        clearLauncherData();
-
-        mDevice.pressHome();
-        waitForLauncherCondition("Launcher didn't start", launcher -> launcher != null);
-        waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
-        waitForResumed("Launcher internal state is still Background");
+    public static void initialize(AbstractLauncherUiTest test) throws Exception {
+        test.clearLauncherData();
+        test.mDevice.pressHome();
+        test.waitForLauncherCondition("Launcher didn't start", launcher -> launcher != null);
+        test.waitForState("Launcher internal state didn't switch to Home", LauncherState.NORMAL);
+        test.waitForResumed("Launcher internal state is still Background");
     }
 
     // Please don't add negative test cases for methods that fail only after a long wait.
@@ -298,6 +301,7 @@
     @Test
     @PortraitLandscape
     public void testLaunchMenuItem() throws Exception {
+        if (!TestHelpers.isInLauncherProcess()) return;
         final LauncherActivityInfo testApp = getSettingsApp();
 
         final AppIconMenu menu = mLauncher.
@@ -336,6 +340,7 @@
     @Test
     @PortraitLandscape
     public void testDragShortcut() throws Throwable {
+        if (!TestHelpers.isInLauncherProcess()) return;
         LauncherActivityInfo testApp = getSettingsApp();
 
         // 1. Open all apps and wait for load complete.
diff --git a/tests/tapl/com/android/launcher3/tapl/AllAppsFromOverview.java b/tests/tapl/com/android/launcher3/tapl/AllAppsFromOverview.java
index 3e4b1f3..2642815 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllAppsFromOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllAppsFromOverview.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.tapl;
 
+import static com.android.launcher3.TestProtocol.OVERVIEW_STATE_ORDINAL;
+
 import android.graphics.Point;
 
 import androidx.annotation.NonNull;
@@ -45,8 +47,7 @@
         final Point start = qsb.getVisibleCenter();
         final int endY = (int) (mLauncher.getDevice().getDisplayHeight() * 0.6);
         LauncherInstrumentation.log("AllAppsFromOverview.switchBackToOverview before swipe");
-        mLauncher.swipe(
-                start.x, start.y, start.x, endY, LauncherInstrumentation.OVERVIEW_STATE_ORDINAL);
+        mLauncher.swipe(start.x, start.y, start.x, endY, OVERVIEW_STATE_ORDINAL);
 
         return new Overview(mLauncher);
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/Background.java b/tests/tapl/com/android/launcher3/tapl/Background.java
index 790e938..c54a43f 100644
--- a/tests/tapl/com/android/launcher3/tapl/Background.java
+++ b/tests/tapl/com/android/launcher3/tapl/Background.java
@@ -16,6 +16,7 @@
 
 package com.android.launcher3.tapl;
 
+import static com.android.launcher3.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.tapl.LauncherInstrumentation.WAIT_TIME_MS;
 import static com.android.launcher3.tapl.TestHelpers.getOverviewPackageName;
 
@@ -50,7 +51,7 @@
     @NonNull
     public BaseOverview switchToOverview() {
         verifyActiveContainer();
-        goToOverviewUnchecked(LauncherInstrumentation.BACKGROUND_APP_STATE_ORDINAL);
+        goToOverviewUnchecked(BACKGROUND_APP_STATE_ORDINAL);
         assertTrue("Overview not visible", mLauncher.getDevice().wait(
                 Until.hasObject(By.pkg(getOverviewPackageName())), WAIT_TIME_MS));
         return new BaseOverview(mLauncher);
diff --git a/tests/tapl/com/android/launcher3/tapl/Home.java b/tests/tapl/com/android/launcher3/tapl/Home.java
index bf857f0..f8bd85a 100644
--- a/tests/tapl/com/android/launcher3/tapl/Home.java
+++ b/tests/tapl/com/android/launcher3/tapl/Home.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.tapl;
 
+import static com.android.launcher3.TestProtocol.OVERVIEW_STATE_ORDINAL;
+
 import androidx.annotation.NonNull;
 
 /**
@@ -47,7 +49,7 @@
     @Override
     public Overview switchToOverview() {
         verifyActiveContainer();
-        goToOverviewUnchecked(LauncherInstrumentation.OVERVIEW_STATE_ORDINAL);
+        goToOverviewUnchecked(OVERVIEW_STATE_ORDINAL);
         return new Overview(mLauncher);
     }
 }
\ No newline at end of file
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 06b9a96..7473189 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -54,9 +54,6 @@
 public final class LauncherInstrumentation {
 
     private static final String TAG = "Tapl";
-    static final int OVERVIEW_STATE_ORDINAL = 2;
-    static final int APPS_LIST_STATE_ORDINAL = 4;
-    static final int BACKGROUND_APP_STATE_ORDINAL = 5;
 
     // Types for launcher containers that the user is interacting with. "Background" is a
     // pseudo-container corresponding to inactive launcher covered by another app.
@@ -107,13 +104,13 @@
     public LauncherInstrumentation(Instrumentation instrumentation) {
         mInstrumentation = instrumentation;
         mDevice = UiDevice.getInstance(instrumentation);
-        final boolean swipeUpEnabledDefault =
-                !SwipeUpSetting.isSwipeUpSettingAvailable() ||
-                        SwipeUpSetting.isSwipeUpEnabledDefaultValue();
-        mSwipeUpEnabled = Settings.Secure.getInt(
-                instrumentation.getTargetContext().getContentResolver(),
-                SWIPE_UP_SETTING_NAME,
-                swipeUpEnabledDefault ? 1 : 0) == 1;
+        final boolean swipeUpEnabledDefaultValue = SwipeUpSetting.isSwipeUpEnabledDefaultValue();
+        mSwipeUpEnabled = SwipeUpSetting.isSwipeUpSettingAvailable() ?
+                Settings.Secure.getInt(
+                        instrumentation.getTargetContext().getContentResolver(),
+                        SWIPE_UP_SETTING_NAME,
+                        swipeUpEnabledDefaultValue ? 1 : 0) == 1 :
+                swipeUpEnabledDefaultValue;
 
         // Launcher should run in test harness so that custom accessibility protocol between
         // Launcher and TAPL is enabled. In-process tests enable this protocol with a direct call
@@ -425,8 +422,8 @@
                 event -> TestProtocol.SWITCHED_TO_STATE_MESSAGE.equals(event.getClassName()),
                 "Swipe failed to receive an event for the swipe end: " + startX + ", " + startY
                         + ", " + endX + ", " + endY);
-//        assertEquals("Swipe switched launcher to a wrong state",
-//                expectedState, parcel.getInt(TestProtocol.STATE_FIELD));
+        assertEquals("Swipe switched launcher to a wrong state",
+                expectedState, parcel.getInt(TestProtocol.STATE_FIELD));
     }
 
     void waitForIdle() {
diff --git a/tests/tapl/com/android/launcher3/tapl/Overview.java b/tests/tapl/com/android/launcher3/tapl/Overview.java
index 1f7ed29..0208144 100644
--- a/tests/tapl/com/android/launcher3/tapl/Overview.java
+++ b/tests/tapl/com/android/launcher3/tapl/Overview.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.tapl;
 
+import static com.android.launcher3.TestProtocol.ALL_APPS_STATE_ORDINAL;
+
 import android.graphics.Point;
 
 import com.android.launcher3.tapl.LauncherInstrumentation.ContainerType;
@@ -51,8 +53,7 @@
         final UiObject2 navBar = mLauncher.getSystemUiObject("navigation_bar_frame");
         final Point start = navBar.getVisibleCenter();
         LauncherInstrumentation.log("Overview.switchToAllApps before swipe");
-        mLauncher.swipe(
-                start.x, start.y, start.x, 0, LauncherInstrumentation.APPS_LIST_STATE_ORDINAL);
+        mLauncher.swipe(start.x, start.y, start.x, 0, ALL_APPS_STATE_ORDINAL);
 
         return new AllAppsFromOverview(mLauncher);
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index 4f86603..f597133 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.tapl;
 
+import static com.android.launcher3.TestProtocol.ALL_APPS_STATE_ORDINAL;
+
 import static junit.framework.TestCase.assertTrue;
 
 import android.graphics.Point;
@@ -56,7 +58,7 @@
                 start.y,
                 start.x,
                 endY,
-                LauncherInstrumentation.APPS_LIST_STATE_ORDINAL
+                ALL_APPS_STATE_ORDINAL
         );
 
         return new AllApps(mLauncher);