Multiset<K> keys = multimap().keys();
    Iterator<Multiset.Entry<K>> itr = keys.entrySet().iterator();
    assertEquals(Multisets.immutableEntry(k0(), 1), itr.next());
    itr.remove();
    assertTrue(multimap().isEmpty());
  }

  @CollectionSize.Require(SEVERAL)
  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeysEntrySetRemove() {
    resetContainer(mapEntry(k0(), v0()), mapEntry(k0(), v1()), mapEntry(k1(), v0()));

  }

  /** Test how [HttpUrl] does against the web platform test suite.  */
  @ArgumentsSource(TestDataParamProvider::class)
  @ParameterizedTest
  fun httpUrl(testData: WebPlatformUrlTestData) {
    if (!testData.scheme.isEmpty() && !HTTP_URL_SCHEMES.contains(testData.scheme)) {
      System.err.println("Ignoring unsupported scheme ${testData.scheme}")
      return
    }

    if (!testData.base!!.startsWith("https:") &&

        assertTrue(s.endsWith("]"), "expected suffix ] but got " + s);
        String inner = s.substring("SmbComLogoffAndX[".length(), s.length() - 1);
        assertFalse(inner.isEmpty(), "inner part of toString should not be empty");
    }

    @Test
    @DisplayName("constructor sets correct command value")
    void constructorSetsCorrectCommand() {

            } else if (logger.isDebugEnabled()) {
                logger.debug("Existed URL: Session ID: {}, UrlQueue: {}", sessionId, urlQueue);
            }
        }
        if (!targetList.isEmpty()) {
            insertAll(targetList.stream()
                    .filter(urlQueue -> StringUtil.isNotBlank(urlQueue.getSessionId()) && StringUtil.isNotBlank(urlQueue.getUrl()))

        String body = response.getBody().asString();
        assertTrue(body != null, "CSV response should not be null");
        // CSV should contain the test data
        assertTrue(body.contains(NAME_PREFIX) || body.isEmpty(), "CSV should contain test data or be empty");
    }

    @Test
    void testUploadCsv_ok() {
        // Create CSV content
        String csvContent = NAME_PREFIX + "uploadTest1\n" + NAME_PREFIX + "uploadTest2\n";

        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");
        assertFalse(map.isEmpty(), "No Artifacts");
        assertTrue(map.size() == 3, "Set size should be 3, is " + map.size());

        Artifact a = (Artifact) map.get("maven-test:t10-a");
        Artifact b = (Artifact) map.get("maven-test:t10-b");

  public void testJoin() {
    assertThat(Doubles.join(",", EMPTY)).isEmpty();
    assertThat(Doubles.join(",", ARRAY1)).isEqualTo("1.0");
    assertThat(Doubles.join(",", 1.0, 2.0)).isEqualTo("1.0,2.0");
    assertThat(Doubles.join("", 1.0, 2.0, 3.0)).isEqualTo("1.02.03.0");
  }

  public void testJoinNonTrivialDoubles() {
    assertThat(Doubles.join(",", EMPTY)).isEmpty();
    assertThat(Doubles.join(",", 1.2)).isEqualTo("1.2");

    @Override
    public Exception getException() {
        return exception;
    }

    @Override
    public String getMessage() {
        String msg;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else {
            msg = exception.getMessage();

            if (msg == null) {
                msg = "";
            }
        }

        return msg;

   *
   * @return {@code true} if the iterable contains no elements
   */
  public static boolean isEmpty(Iterable<?> iterable) {
    if (iterable instanceof Collection) {
      return ((Collection<?>) iterable).isEmpty();
    }
    return !iterable.iterator().hasNext();
  }

  /**

            "Version '$version' is not a patch release. Expected format: x.y.z with z > 0."
        }
        val issues = getFixedIssues()
        require(!issues.isEmpty()) {
            "No fixed issues found for milestone ${milestone.get()}"
        }
        val issuesList = issues.joinToString("\n") { "- [${it.title}](${it.htmlUrl})" }
        updateReleaseNotes(issuesList)
    }