public void testValuesRemove() {
    resetContainer(
        Helpers.mapEntry(k0(), v0()), Helpers.mapEntry(k1(), v0()), Helpers.mapEntry(k0(), v3()));
    assertTrue(multimap().asMap().values().remove(Collections.singletonList(v0())));
    assertEquals(2, multimap().size());
    assertEquals(
        Collections.singletonMap(k0(), Lists.newArrayList(v0(), v3())), multimap().asMap());
  }

  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPropagatesAddAllToMultimap() {
    Collection<V> result = multimap().get(k0());
    assertTrue(result.addAll(Collections.singletonList(v3())));
    assertTrue(multimap().containsKey(k0()));
    assertEquals(getNumElements() + 1, multimap().size());
    assertTrue(multimap().containsEntry(k0(), v3()));
  }

                parent.getScope(),
                type,
                classifier,
                artifactHandler,
                parent.isOptional());

        setDependencyTrail(Collections.singletonList(parent.getId()));

        this.parent = parent;

        if (getId().equals(parent.getId())) {
            throw new InvalidArtifactRTException(
                    parent.getGroupId(),

                new File("src/test/projects/lifecycle-dependency-resolver/pom.xml"), new Properties(), true);
        Collection<String> scopesToCollect = null;
        Collection<String> scopesToResolve = Collections.singletonList("compile");
        boolean aggregating = false;

        Set<Artifact> reactorArtifacts = new HashSet<>(3);
        for (MavenProject reactorProject : session.getProjects()) {

        ToolchainModel model = (ToolchainModel) context.get(getStorageKey(type));

        if (model != null) {
            List<Toolchain> toolchains = selectToolchains(Collections.singletonList(model), type, null);

            if (!toolchains.isEmpty()) {
                return toolchains.get(0);
            }
        }

        return null;
    }

    @Override

        socket.setEnabledCipherSuites(javaNames(spec.cipherSuites()));
        return socket;
      }
    };

    client = new OkHttpClient.Builder()
        .connectionSpecs(Collections.singletonList(spec))
        .sslSocketFactory(customSslSocketFactory, trustManager)
        .build();
  }

  /**
   * Returns the VM's default SSL socket factory, using {@code trustManager} for trusted root
   * certificates.

    Iterator<String> set = asList("a", "b").iterator();
    assertFalse(Iterators.contains(set, null));
  }

  public void testGetOnlyElement_noDefault_valid() {
    Iterator<String> iterator = Collections.singletonList("foo").iterator();
    assertEquals("foo", Iterators.getOnlyElement(iterator));
  }

  public void testGetOnlyElement_noDefault_empty() {
    Iterator<String> iterator = Iterators.emptyIterator();
    try {

    assertEquals(expected, actual);
  }

  public void testForEachEntryDuplicates() {
    initThreeCopies();
    List<Entry<E>> expected = Collections.singletonList(Multisets.immutableEntry(e0(), 3));
    List<Entry<E>> actual = new ArrayList<>();
    getMultiset()
        .forEachEntry((element, count) -> actual.add(Multisets.immutableEntry(element, count)));

    getList().set(0, e3());
    assertEquals(
        "A set() call to a list after a sublist has been created "
            + "should be reflected in the sublist",
        Collections.singletonList(e3()),
        subList);
  }

  @ListFeature.Require(SUPPORTS_REMOVE_WITH_INDEX)
  @CollectionSize.Require(absent = {ZERO, ONE})
  public void testSubList_subListRemoveAffectsOriginalLargeList() {

                        MavenRepositorySystem.DEFAULT_REMOTE_REPO_ID,
                        "default",
                        repoDir.toURI().toASCIIString())
                .build();

        return Collections.singletonList(remoteRepository);
    }