public static String getDataSourceNodeVersionsNode(final String databaseName, final String dataSourceName) {
        return String.join("/", getDataSourceNodesNode(databaseName), dataSourceName, VERSIONS);
    }
@Test
    void assertGetDataSourceNodeVersionsNode() {
        assertThat(DataSourceMetaDataNode.getDataSourceNodeVersionsNode("foo_db", "foo_ds"), is("/metadata/foo_db/data_sources/nodes/foo_ds/versions"));
    }