@Test
public void testLoadEditFilter_CustomFilterAvailable() {
final String subscriptionId = "_subscription_id_";
WALEditFilter editFilter = mock(WALEditFilter.class);
WALEditFilterProvider filterProvider = mock(WALEditFilterProvider.class);
when(filterProvider.getWALEditFilter(subscriptionId)).thenReturn(editFilter);
WALEditFilter loadedFilter = sepReplicationSource.loadEditFilter(subscriptionId,
Lists.newArrayList(filterProvider));
assertEquals(editFilter, loadedFilter);
}