.structure.topology.EdgeLabel;
&nbsp;import org.umlg.sqlg.structure.topology.PropertyColumn;
&nbsp;import org.umlg.sqlg.structure.topology.VertexLabel;
&nbsp;import org.umlg.sqlg.test.BaseTest;
&nbsp;
&nbsp;import java.util.HashMap;
&nbsp;import java.util.List;
&nbsp;import java.util.Optional;
&nbsp;import java.util.UUID;
&nbsp;
<b class="fc">&nbsp;public class TestUUID extends BaseTest {</b>
&nbsp;
&nbsp;    @Before
&nbsp;    public void before() throws Exception {
<b class="fc">&nbsp;        super.before(