gGraph.vertices().hasNext());</b>
&nbsp;
<b class="fc">&nbsp;        a1 = this.sqlgGraph.addVertex(T.label, &quot;A&quot;, &quot;name&quot;, &quot;a1&quot;);</b>
<b class="fc">&nbsp;        b1 = this.sqlgGraph.addVertex(T.label, &quot;B&quot;, &quot;name&quot;, &quot;b1&quot;);</b>
<b class="fc">&nbsp;        a1.addEdge(&quot;ab&quot;, b1);</b>
<b class="fc">&nbsp;        this.sqlgGraph.tx().rollback();</b>
<b class="fc">&nbsp;        assertFalse(this.sqlgGraph.edges().hasNext());</b>
<b class="fc">&nbsp;  