Merge pull request #4828 from ByteHamster/tear-down

Tear down database after db cleanup test

core/src/test/java/de/danoeh/antennapod/core/storage/DbNullCleanupAlgorithmTest.java

@@ -64,7 +64,9 @@ public class DbNullCleanupAlgorithmTest {
 
     @After
     public void tearDown() {
-        assertTrue(PodDBAdapter.deleteDatabase());
+        DBWriter.tearDownTests();
+        PodDBAdapter.deleteDatabase();
+        PodDBAdapter.tearDownTests();
 
         cleanupDestFolder(destFolder);
         assertTrue(destFolder.delete());