tester.testEquals();
    } catch (AssertionFailedError e) {
      assertErrorMessage(e, "bar [group 1, item 2] must be Object#equals to baz [group 1, item 3]");
      return;
    }
    fail("should failed because transitivity is broken");
  }

  public void testUnequalObjectsInEqualityGroup() {
    EqualsTester tester = new EqualsTester().addEqualityGroup(named("foo"), named("bar"));
    try {
      tester.testEquals();

      tester.testEquals();
    } catch (AssertionFailedError e) {
      assertErrorMessage(e, "bar [group 1, item 2] must be Object#equals to baz [group 1, item 3]");
      return;
    }
    fail("should failed because transitivity is broken");
  }

  public void testUnequalObjectsInEqualityGroup() {
    EqualsTester tester = new EqualsTester().addEqualityGroup(named("foo"), named("bar"));
    try {
      tester.testEquals();

     * dependency management entries in transitive dependency POMs. Maven 4 enables "transitivity" by default, hence
     * unlike Maven2, obeys dependency management entries deep in dependency graph as well.
     * <p>
     * Default: {@code "true"}.
     *
     * @since 4.0.0
     */
    private static final String MAVEN_RESOLVER_DEPENDENCY_MANAGER_TRANSITIVITY_KEY =
            "maven.resolver.dependencyManagerTransitivity";

         configurations downstream, and GWT uses the runtime configuration for
         its builds. Thus, GWT doesn't get j2objc-annotations transitively, in
         contrast to the other deps of `guava`, which it does get transitively.
         (Arguably we should redeclare *all* the `guava` deps here.) -->
    <dependency>
      <groupId>com.google.j2objc</groupId>
      <artifactId>j2objc-annotations</artifactId>

                }
              });

  /**
   * Flattens a class's type hierarchy into a set of {@code Class} objects including all
   * superclasses (transitively) and all interfaces implemented by these superclasses.
   */
  @VisibleForTesting
  static ImmutableSet<Class<?>> flattenHierarchy(Class<?> concreteClass) {
    try {

      // Note that if all the futures on the list are done prior to completing this loop, the last
      // call to addListener() will callback to setOneValue(), transitively call our cleanup
      // listener, and set this.futures to null.
      // This is not actually a problem, since the foreach only needs this.futures to be non-null
      // at the beginning of the loop.
      int i = 0;