@Test
public void shouldCreateFilterWithDatabaseBlacklistAndNoTableFilter() {

    filter = Selectors.tableSelector()
            .excludeDatabases("db1,db2")
            .build();
    assertNotAllowed(filter, "db1", "A");
    assertNotAllowed(filter, "db2", "A");
    assertAllowed(filter, "db3", "A");
    assertAllowed(filter, "db4", "A");
}