public static String getDataSourceUnitActiveVersionNode(final String databaseName, final String dataSourceName) {
        return String.join("/", getDataSourceUnitsNode(databaseName), dataSourceName, ACTIVE_VERSION);
    }
@Test
    void assertGetDataSourceUnitActiveVersionNode() {
        assertThat(DataSourceMetaDataNode.getDataSourceUnitActiveVersionNode("foo_db", "foo_ds"), is("/metadata/foo_db/data_sources/units/foo_ds/active_version"));
    }