Fixes MagnificationModeSwitchTest flaky test failure
There might be two thread remove same token at the same time.
Change the main looper as testlooper to ensure only main thread
calling MessageQueue#RemoveSyncBarrier().
Bug: 188890599
Test: atest MagnificationModeSwitchTest --iteration
Change-Id: I3cb6fc5a9ce2a66dd2db4bcabbd23eda462dee21
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
index 936ec80..d189974 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
@@ -69,6 +69,7 @@
import android.view.accessibility.AccessibilityNodeInfo;
import android.widget.ImageView;
+import androidx.test.filters.FlakyTest;
import androidx.test.filters.SmallTest;
import com.android.internal.graphics.SfVsyncFrameCallbackProvider;
@@ -88,8 +89,9 @@
import java.util.List;
@SmallTest
+@FlakyTest(bugId = 188890599)
@RunWith(AndroidTestingRunner.class)
-@TestableLooper.RunWithLooper
+@TestableLooper.RunWithLooper(setAsMainLooper = true)
public class MagnificationModeSwitchTest extends SysuiTestCase {
private static final float FADE_IN_ALPHA = 1f;