assertFalse(networkAsMutableNetwork.removeEdge(EDGE_NOT_IN_GRAPH));
    assertThat(networkAsMutableNetwork.edges()).containsExactlyElementsIn(edges);
  }

  @Test
  public void removeEdge_queryAfterRemoval() {
    assume().that(graphIsMutable()).isTrue();

    addEdge(N1, N2, E12);
    @SuppressWarnings("unused")
    EndpointPair<Integer> unused =