### Question:
ElementFactory { public static Builder builder() { return new Builder(); } private  ElementFactory(ActGraph owner); Set<Edge> createEdges(ObjectFactBindingEntity inBinding); Edge getEdge(UUID id); Vertex getVertex(UUID id); static Builder builder();  }### Answer:
@Test(expected = RuntimeException.class) public void testCreateElementFactoryWithoutOwner() { ElementFactory.builder().build(); }