  }
&nbsp;
&nbsp;    @Test
&nbsp;    public void testAndColumns() {
<b class="fc">&nbsp;        Vertex v1 = this.sqlgGraph.addVertex(T.label, &quot;Person&quot;, &quot;name1&quot;, &quot;marko&quot;);</b>
<b class="fc">&nbsp;        this.sqlgGraph.tx().commit();</b>
<b class="fc">&nbsp;        Assert.assertEquals(1, this.sqlgGraph.traversal().V().count().next(), 0);</b>
<b class="fc">&nbsp;        Assert.assertEquals(v1, this.sqlgGraph.traversal().V(v1.id()).next());</b>
<b class="fc">&nbsp;        Assert.a