private void assertCommon(Traversal<Vertex, Map<String, Vertex>> traversal) {
        checkResults(makeMapList(4,
                "a", convertToVertex(graph, "Garcia"), "b", convertToVertex(graph, "CREAM PUFF WAR"), "c", convertToVertex(graph, "CREAM PUFF WAR"), "d", convertToVertex(graph, "Garcia"),
                "a", convertToVertex(graph, "Garcia"), "b", convertToVertex(graph, "CREAM PUFF WAR"), "c", convertToVertex(graph, "CRYPTICAL ENVELOPMENT"), "d", convertToVertex(graph, "Garcia"),
                "a", convertToVertex(graph, "Garcia"), "b", convertToVertex(graph, "CRYPTICAL ENVELOPMENT"), "c", convertToVertex(graph, "CREAM PUFF WAR"), "d", convertToVertex(graph, "Garcia"),
                "a", convertToVertex(graph, "Garcia"), "b", convertToVertex(graph, "CRYPTICAL ENVELOPMENT"), "c", convertToVertex(graph, "CRYPTICAL ENVELOPMENT"), "d", convertToVertex(graph, "Garcia"),
                "a", convertToVertex(graph, "Grateful_Dead"), "b", convertToVertex(graph, "CANT COME DOWN"), "c", convertToVertex(graph, "DOWN SO LONG"), "d", convertToVertex(graph, "Garcia"),
                "a", convertToVertex(graph, "Grateful_Dead"), "b", convertToVertex(graph, "THE ONLY TIME IS NOW"), "c", convertToVertex(graph, "DOWN SO LONG"), "d", convertToVertex(graph, "Garcia")), traversal);
    }
@author Joshua Shinavier (http://fortytwo.net)
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/step/map/MatchTest.java