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();

     * management entries in their POMs. Maven 3 targeted full backward compatibility with Maven 2. Hence, it ignored
     * dependency management entries in transitive dependency POMs. Maven 4 enables "transitivity" by default. Hence
     * unlike Maven 3, it obeys dependency management entries deep in the dependency graph as well.
     * <br/>
     * Default: <code>"true"</code>.
     *
     * @since 4.0.0
     */

         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>

    }

    @Test
    void testThatASystemScopedDependencyIsNotResolvedFromRepositories() throws Exception {
        //
        // We should get a whole slew of dependencies resolving this artifact transitively
        //
        Dependency d = new Dependency();
        d.setGroupId("org.apache.maven.its");
        d.setArtifactId("b");
        d.setVersion("0.1");
        d.setScope(Artifact.SCOPE_COMPILE);

    }

    /**
     * Computes the complete set of target runtimes for each project.
     *
     * A project's computed target runtimes are the union of the required runtimes declared by
     * every project that transitively depends on that project. This ensures that if a project
     * which must be able to run on a certain set of runtimes depends on another project,
     * that other project must support the runtimes of the project with requirements.

                      ImmutableSet.copyOf(TypeToken.of(concreteClass).getTypes().rawTypes())));

  /**
   * 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) {
    return flattenHierarchyCache.getUnchecked(concreteClass);

      // 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;