MockNode nodeWithClass = new MockNode("div");
        nodeWithClass.addAttribute("class", "highlight");
        assertTrue(tag.matches(nodeWithClass));

        // Node with multiple classes including target
        MockNode nodeWithMultipleClasses = new MockNode("div");
        nodeWithMultipleClasses.addAttribute("class", "container highlight active");

                    // It's not explicit what the threading guarantees are for TestListener method execution so we'll
                    // be explicitly safe here to avoid interleaving output from multiple test suites
                    synchronized (this) {
                        // make sure we've flushed everything to disk before reading
                        eventWriter.flush();

     * this client silently recovers from the following problems:
     *
     * * **Unreachable IP addresses.** If the URL's host has multiple IP addresses,
     *   failure to reach any individual IP address doesn't fail the overall request. This can
     *   increase availability of multi-homed services.
     *

        // Clean up
        mockService.unregisterWitness(regId);
    }

    @Test
    void testMultipleRegistrations() {
        // Register multiple witnesses
        String reg1 = mockService.registerWitness("\\\\server1\\share1", "192.168.1.100", 1);
        String reg2 = mockService.registerWitness("\\\\server2\\share2", "192.168.1.101", 1);

        // Assert
        assertNull(result);
        verify(handle).getSession();
    }

    @Test
    @DisplayName("Scenario: verify interaction order across multiple calls")
    void verifyInteractionOrder() throws Exception {
        // Arrange: stub simple returns
        when(handle.hasCapability(anyInt())).thenReturn(true);

		b = ""
	}
	if len(b) > 0 && !strings.HasSuffix(b, slashSeparator) {
		b += slashSeparator
	}
	return b
}

// update cache with new status.
// The updates are conditional so multiple callers can update with different states.
func (m *metacache) update(update metacache) {
	now := UTCNow()
	m.lastUpdate = now

	if update.lastHandout.After(m.lastHandout) {
		m.lastHandout = update.lastUpdate

   * stream.collect(MoreCollectors.onlyElement())}.
   *
   * @throws NoSuchElementException if the iterable is empty
   * @throws IllegalArgumentException if the iterable contains multiple elements
   */
  @ParametricNullness
  public static <T extends @Nullable Object> T getOnlyElement(Iterable<T> iterable) {
    return Iterators.getOnlyElement(iterable.iterator());
  }

  /**

    void testLogSecurityViolation() {
        Map<String, Object> context = new HashMap<>();
        context.put("sourceIP", "192.168.1.100");
        context.put("attemptCount", 5);

        logger.logSecurityViolation("Multiple failed authentication attempts", context);

        Map<EventType, Long> stats = logger.getStatistics();
        assertEquals(Long.valueOf(1), stats.get(EventType.SECURITY_VIOLATION), "Should have 1 security violation event");

            assertEquals(expectedCause, e.getCause());
        }
    }

    @Test
    public void test_multipleExceptions_differentStatusCodes() {
        // Test creating multiple exceptions with different status codes
        WebApiException exception1 = new WebApiException(400, "Bad Request");
        WebApiException exception2 = new WebApiException(401, "Unauthorized");

    // Test that the class implements InvokerAssistant interface
    @Test
    public void test_implementsInterface() {
        assertTrue(invokerAssistant instanceof InvokerAssistant);
    }

    // Test multiple calls to the same method return consistent results
    @Test
    public void test_methodConsistency() {
        // Test assistClientInvokeNames consistency