Merge "Clear main looper before VolumeDialogImplTest" into udc-qpr-dev

packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java

@@ -41,6 +41,7 @@ import static org.mockito.Mockito.when;
 import android.app.KeyguardManager;
 import android.content.res.Configuration;
 import android.media.AudioManager;
+import android.os.Handler;
 import android.os.SystemClock;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
@@ -146,6 +147,10 @@ public class VolumeDialogImplTest extends SysuiTestCase {
         mTestableLooper = TestableLooper.get(this);
         allowTestableLooperAsMainThread();
 
+        // Ensure previous tests have not left messages on main looper
+        Handler localHandler = new Handler(mTestableLooper.getLooper());
+        localHandler.removeCallbacksAndMessages(null);
+
         when(mPostureController.getDevicePosture())
                 .thenReturn(DevicePostureController.DEVICE_POSTURE_CLOSED);