@Test
public void shouldExecuteQueryEdges() {

    List<EdgeEntity> edges = executor.executeGremlin(graph.traversal(), "g.E()");
    assertFalse(edges.isEmpty());
    EdgeEntity edgeEntity = edges.get(0);
    Person person = edgeEntity.getIncoming();
    Person person2 = edgeEntity.getOutgoing();
    assertEquals("loves", edgeEntity.getLabel());
    assertEquals("Bruce Banner", person2.getName());
    assertEquals("Natasha Romanoff", person.getName());
}