protected Iterable<Vertex> verticesByOid(final Graph graph) {
            List<Vertex> vertices = IteratorUtils.list(graph.vertices());
            Collections.sort(vertices,
                    (v1, v2) -> ((Integer) v1.value("oid")).compareTo((Integer) v2.value("oid")));
            return vertices;
        }
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