TAPL: Simplifying BaseOverview

Change-Id: I15124a95bf71be78f8e450688d83d4adbad3196f
diff --git a/tests/tapl/com/android/launcher3/tapl/Background.java b/tests/tapl/com/android/launcher3/tapl/Background.java
index 60d2850..8f5e7fe 100644
--- a/tests/tapl/com/android/launcher3/tapl/Background.java
+++ b/tests/tapl/com/android/launcher3/tapl/Background.java
@@ -17,16 +17,12 @@
 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;
 
 import android.graphics.Point;
 import android.os.SystemClock;
 import android.view.MotionEvent;
 
 import androidx.annotation.NonNull;
-import androidx.test.uiautomator.By;
-import androidx.test.uiautomator.Until;
 
 import com.android.launcher3.TestProtocol;
 
@@ -59,8 +55,6 @@
                 "want to switch from background to overview")) {
             verifyActiveContainer();
             goToOverviewUnchecked(BACKGROUND_APP_STATE_ORDINAL);
-            mLauncher.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/BaseOverview.java b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
index 70d8cf7..b3a369a 100644
--- a/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
+++ b/tests/tapl/com/android/launcher3/tapl/BaseOverview.java
@@ -33,6 +33,7 @@
 
     BaseOverview(LauncherInstrumentation launcher) {
         super(launcher);
+        verifyActiveContainer();
     }
 
     @Override
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 4d8ff1b..343bcaf 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -18,6 +18,7 @@
 
 import static com.android.launcher3.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.TestProtocol.NORMAL_STATE_ORDINAL;
+import static com.android.launcher3.tapl.TestHelpers.getOverviewPackageName;
 
 import android.app.ActivityManager;
 import android.app.Instrumentation;
@@ -294,14 +295,14 @@
                     } else {
                         waitUntilGone(APPS_RES_ID);
                     }
-                    // Fall through
-                }
-                case BASE_OVERVIEW: {
                     waitUntilGone(WORKSPACE_RES_ID);
                     waitUntilGone(WIDGETS_RES_ID);
 
                     return waitForLauncherObject(OVERVIEW_RES_ID);
                 }
+                case BASE_OVERVIEW: {
+                    return waitForFallbackLauncherObject(OVERVIEW_RES_ID);
+                }
                 case BACKGROUND: {
                     waitUntilGone(WORKSPACE_RES_ID);
                     waitUntilGone(APPS_RES_ID);
@@ -526,10 +527,22 @@
         return object;
     }
 
+    @NonNull
+    UiObject2 waitForFallbackLauncherObject(String resName) {
+        final BySelector selector = getFallbackLauncherObjectSelector(resName);
+        final UiObject2 object = mDevice.wait(Until.findObject(selector), WAIT_TIME_MS);
+        assertNotNull("Can't find a fallback launcher object; selector: " + selector, object);
+        return object;
+    }
+
     BySelector getLauncherObjectSelector(String resName) {
         return By.res(getLauncherPackageName(), resName);
     }
 
+    BySelector getFallbackLauncherObjectSelector(String resName) {
+        return By.res(getOverviewPackageName(), resName);
+    }
+
     String getLauncherPackageName() {
         return mDevice.getLauncherPackageName();
     }