### Question:
KeyValueBackupReporter { @Nullable IBackupManagerMonitor getMonitor() { return mMonitor; } KeyValueBackupReporter(
            UserBackupManagerService backupManagerService,
            IBackupObserver observer,
            @Nullable IBackupManagerMonitor monitor);   }### Answer:
@Test public void testGetMonitor_returnsMonitor() { IBackupManagerMonitor monitor = mReporter.getMonitor(); assertThat(monitor).isEqualTo(mMonitor); }