@Test
        @FeatureRequirement(featureClass = Graph.Features.EdgeFeatures.class, feature = Graph.Features.EdgeFeatures.FEATURE_ADD_EDGES)
        @FeatureRequirement(featureClass = Graph.Features.VertexFeatures.class, feature = Graph.Features.VertexFeatures.FEATURE_ADD_VERTICES)
        @FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_STRING_VALUES)
        @FeatureRequirement(featureClass = VertexPropertyFeatures.class, feature = FEATURE_INTEGER_VALUES)
        @FeatureRequirement(featureClass = EdgePropertyFeatures.class, feature = EdgePropertyFeatures.FEATURE_FLOAT_VALUES)
        public void shouldReadGraphMLUnorderedElements() throws IOException {
            readGraphMLIntoGraph(graph, "tinkerpop-classic-unordered.xml");
            assertClassicGraph(graph, false, true);
        }
@author Joshua Shinavier (http://fortytwo.net)
@author Stephen Mallette (http://stephen.genoprime.com)
@author Marko A. Rodriguez (http://markorodriguez.com)
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/structure/io/IoTest.java