@Test
        @FeatureRequirement(featureClass = Graph.Features.VertexPropertyFeatures.class, feature = VertexPropertyFeatures.FEATURE_ANY_IDS)
        public void shouldNotSupportAnyIdsUnlessUserSuppliedIdsIsSupportedOnVertexProperty() {
            assertTrue(vertexPropertyFeatures.supportsUserSuppliedIds());
        }
Feature checks that simply evaluate conflicting feature definitions without evaluating the actual implementation
itself.
gremlin-test/src/main/java/org/apache/tinkerpop/gremlin/structure/FeatureSupportTest.java