sp;            List&lt;Vertex&gt; vertices = traversal.toList();</b>
<b class="nc">&nbsp;            stopWatch.stop();</b>
<b class="nc">&nbsp;            System.out.println(stopWatch.toString());</b>
<b class="nc">&nbsp;            Assert.assertEquals(count, vertices.size());</b>
&nbsp;        }
&nbsp;    }
&nbsp;
&nbsp;    //TODO group is not optimized
&nbsp;//    @Test
&nbsp;    public void testGroup() {
<b class="nc">&nbsp;        loadGratefulDead();</b>
&nbsp;
<b class="nc">&nbsp;        for (int i = 0