Move expectFail to TestUtil

Flag: NA
Bug: 298234173
Test: atest TaplWorkspaceTest
Change-Id: I7aadab92891ecdb9e8910601a6e1b417ffa5f605

tests/src/com/android/launcher3/allapps/TaplOpenCloseAllApps.java

@@ -15,7 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
-import static com.android.launcher3.ui.TaplTestsLauncher3.expectFail;
+import static com.android.launcher3.util.TestUtil.expectFail;
 import static com.android.launcher3.ui.AbstractLauncherUiTest.initialize;
 
 import static org.junit.Assert.assertEquals;

tests/src/com/android/launcher3/ui/TaplTestsLauncher3.java

@@ -17,7 +17,6 @@
 package com.android.launcher3.ui;
 
 import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
 
 import androidx.test.filters.LargeTest;
 import androidx.test.runner.AndroidJUnit4;
@@ -36,17 +35,6 @@ public class TaplTestsLauncher3 extends AbstractLauncherUiTest {
         initialize(this);
     }
 
-    // Please don't add negative test cases for methods that fail only after a long wait.
-    public static void expectFail(String message, Runnable action) {
-        boolean failed = false;
-        try {
-            action.run();
-        } catch (AssertionError e) {
-            failed = true;
-        }
-        assertTrue(message, failed);
-    }
-
     @Test
     public void testDevicePressMenu() throws Exception {
         mDevice.pressMenu();

tests/src/com/android/launcher3/util/TestUtil.java

@@ -24,6 +24,8 @@ import static com.android.launcher3.LauncherSettings.Settings.LAYOUT_DIGEST_KEY;
 import static com.android.launcher3.LauncherSettings.Settings.LAYOUT_DIGEST_LABEL;
 import static com.android.launcher3.LauncherSettings.Settings.LAYOUT_DIGEST_TAG;
 
+import static org.junit.Assert.assertTrue;
+
 import android.app.Instrumentation;
 import android.app.blob.BlobHandle;
 import android.app.blob.BlobStoreManager;
@@ -252,6 +254,17 @@ public class TestUtil {
         }
     }
 
+    // Please don't add negative test cases for methods that fail only after a long wait.
+    public static void expectFail(String message, Runnable action) {
+        boolean failed = false;
+        try {
+            action.run();
+        } catch (AssertionError e) {
+            failed = true;
+        }
+        assertTrue(message, failed);
+    }
+
     /** Interface to indicate a runnable which can throw any exception. */
     public interface UncheckedRunnable {
         /** Method to run the task */