    }
<b class="fc">&nbsp;        this.sqlgGraph.tx().rollback();</b>
&nbsp;    }
&nbsp;
&nbsp;    @Test
&nbsp;    public void testChangingMultiplicityOnEdge() {
<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;() {{</b>
<b class="fc">&nbsp;            put(&quot;a&quot;, PropertyDefinition.of(PropertyType.STRING, Multiplicity.of(1, 