public String getRandomPhysicalDataSourceName() {
        return getRandomPhysicalDatabaseAndDataSourceName()[1];
    }
@Test
    void assertGetRandomPhysicalDataSourceNameFromContextManager() {
        String actual = databaseConnectionManager.getRandomPhysicalDataSourceName();
        assertTrue(Arrays.asList(DefaultDatabase.LOGIC_NAME, "ds", "invalid_ds").contains(actual));
    }