@Override
    public String toString() {
        return String.join(DELIMITER, databaseName, groupName, dataSourceName);
    }
@Test
    void assertNew() {
        QualifiedDataSource actual = new QualifiedDataSource("test_db.test_group_name.test_ds");
        assertThat(actual.getDatabaseName(), is("test_db"));
        assertThat(actual.getGroupName(), is("test_group_name"));
        assertThat(actual.getDataSourceName(), is("test_ds"));
        assertThat(actual.toString(), is("test_db.test_group_name.test_ds"));
    }