public Collection<String> getActualDataSourceNames() {
        return actualDataSourceNames;
    }
@Test
    void assertGetActualDataSourceNames() {
        ShardingTable actual = new ShardingTable(new ShardingTableRuleConfiguration("LOGIC_TABLE", "ds${0..1}.table_${0..2}"), Arrays.asList("ds0", "ds1"), null);
        assertThat(actual.getActualDataSourceNames(), is(new LinkedHashSet<>(Arrays.asList("ds0", "ds1"))));
    }