ass="nc">&nbsp;            failure = true;</b>
<b class="nc">&nbsp;            this.sqlgGraph.tx().rollback();</b>
&nbsp;        }
<b class="fc">&nbsp;        Assert.assertFalse(failure);</b>
&nbsp;    }
&nbsp;
&nbsp;    @Test
&nbsp;    public void testEdgeLabelCheckConstraint() {
<b class="fc">&nbsp;        Schema publicSchema = this.sqlgGraph.getTopology().getPublicSchema();</b>
<b class="fc">&nbsp;        VertexLabel aVertexLabel = publicSchema.ensureVertexLabelExist(&quot;A&quot;, new HashMap&lt;&gt;() 