@Override
        protected void afterLoadGraphWith(final Graph graph) throws Exception {
            final int numNodes = numberOfVertices;
            for (int i = 0; i < numNodes; i++) graph.addVertex("oid", i);
            tryCommit(graph);
        }
Keep a failures count across all tests in the set and continually evaluate if those failures exceed
the threshold for "total" failure.  This approach helps soften the tests a bit to prevent failures
due to non-deterministic behavior in graph generation techniques.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/algorithm/generator/CommunityGeneratorTest.java