Fix volume CSD tests not cleanring up

Clear the handler internal to VolumeDialogImpl on test teardown.

Bug: b/278069856
Test: atest VolumeDialogImplTest
Change-Id: I69440ab86b98a2ce95b38f6b6e9cca9b24d11fa1

2 files changed, 15 insertions, 0 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java
index 3c007f99a654..aa26e688c490 100644
--- a/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/volume/VolumeDialogImpl.java
@@ -2343,6 +2343,13 @@ public class VolumeDialogImpl implements VolumeDialog, Dumpable,
         }
     }
 
+    @VisibleForTesting
+    void clearInternalHandleAfterTest() {
+        if (mHandler != null) {
+            mHandler.removeCallbacksAndMessages(null);
+        }
+    }
+
     private final class CustomDialog extends Dialog implements DialogInterface {
         public CustomDialog(Context context) {
             super(context, R.style.volume_dialog_theme);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
index eb2688894cb0..e33bfd7d601e 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/volume/VolumeDialogImplTest.java
@@ -58,6 +58,7 @@ import com.android.systemui.util.DeviceConfigProxyFake;
 import com.android.systemui.util.concurrency.FakeExecutor;
 import com.android.systemui.util.time.FakeSystemClock;
 
+import org.junit.After;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -370,6 +371,13 @@ public class VolumeDialogImplTest extends SysuiTestCase {
         verify(mCsdWarningDialog).show();
     }
 
+    @After
+    public void teardown() {
+        if (mDialog != null) {
+            mDialog.clearInternalHandleAfterTest();
+        }
+    }
+
 /*
     @Test
     public void testContentDescriptions() {