public Set<String> getActualTableNames(final String logicTableName) {
        return tableMappers.stream().filter(each -> logicTableName.equalsIgnoreCase(each.getLogicName())).map(RouteMapper::getActualName).collect(Collectors.toSet());
    }
@Test
    void assertGetActualTableNames() {
        Set<String> actual = routeUnit.getActualTableNames(LOGIC_TABLE);
        assertThat(actual.size(), is(2));
        assertTrue(actual.contains(ACTUAL_TABLE_0));
        assertTrue(actual.contains(ACTUAL_TABLE_1));
    }