@Override
    public void run(Namespace namespace,
                    Liquibase liquibase) throws Exception {
        liquibase.clearCheckSums();
    }
@Test
    void testRun() throws Exception {
        final Liquibase liquibase = Mockito.mock(Liquibase.class);
        clearChecksums.run(new Namespace(Collections.emptyMap()), liquibase);
        Mockito.verify(liquibase).clearCheckSums();
    }