ss="pc">&nbsp;        if (isPostgres()) {</b>
<b class="fc">&nbsp;            configuration.addProperty(&quot;distributed&quot;, true);</b>
&nbsp;        }
&nbsp;    }
&nbsp;
&nbsp;    @Test
&nbsp;    public void testVertexStep() throws InterruptedException {
<b class="fc">&nbsp;        Vertex a1 = this.sqlgGraph.addVertex(T.label, &quot;A&quot;);</b>
<b class="fc">&nbsp;        Vertex b1 = this.sqlgGraph.addVertex(T.label, &quot;B&quot;);</b>
<b class="fc">&nbsp;        a1.addEdge(&quot;ab&quot;, b1);</b>
