new ImmutableSortedSetExplicitSuperclassComparatorGenerator())
            .named(
                ImmutableSortedSetTest.class.getName()
                    + ", explicit superclass comparator, iterable")
            .withFeatures(
                CollectionSize.ANY,
                CollectionFeature.KNOWN_ORDER,
                CollectionFeature.SERIALIZABLE,

    assertThat(index).isNotEqualTo(0);

    // Above our method should be the call to get(). Don't assert on the class
    // because it could be some superclass.
    assertThat(e.getStackTrace()[index - 1].getMethodName()).isEqualTo("get");
  }

  private static int findStackFrame(ExecutionException e, String clazz, String method) {