@CollectionSize.Require(absent = ZERO)
  public void testAddAll_supportedSomePresent() {
    assertTrue(
        "addAll(somePresent) should return true",
        collection.addAll(MinimalCollection.of(e3(), e0())));
    assertTrue("should contain " + e3(), collection.contains(e3()));
    assertTrue("should contain " + e0(), collection.contains(e0()));
  }

  @CollectionFeature.Require(absent = SUPPORTS_ADD)

            final String message = e.getMessage();
            assertTrue("Error message should contain var path: " + message, message.contains(varDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain webapp path: " + message, message.contains(webappDir.toFile().getCanonicalPath()));
            assertTrue("Error message should contain conf path: " + message, message.contains(confDir.toFile().getCanonicalPath()));
        }

        }).when(transport).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

        session.send(req, resp);
        // Response state should be reset
        assertFalse(resp.received, "Response flag should be reset");
        // transport.send should be called at least once (for sessionSetup and the actual request)
        verify(transport, atLeastOnce()).send(any(ServerMessageBlock.class), any(ServerMessageBlock.class));

            latch.countDown();
        });

        // ## Assert ##
        assertTrue("Async execution should complete within 5 seconds", latch.await(5, TimeUnit.SECONDS));
        assertNotNull(threadName.get());
        // The async execution should have run on a ForkJoinPool thread, not the main thread
        assertTrue("Should run on ForkJoinPool thread: " + threadName.get(),

    }

    @Test
    @DisplayName("Should handle null message")
    void testNullMessage() {
        // When/Then
        assertDoesNotThrow(() -> {
            CIFSException exception = new CIFSException((String) null);
            assertNotNull(exception);
        });
    }

    @Test
    @DisplayName("Should handle null cause")
    void testNullCause() {
        // When/Then

 */
@DisplayName("Credentials Interface Tests")
class CredentialsTest extends BaseTest {

    @Mock
    private Credentials mockCredentials;

    @Test
    @DisplayName("Should define interface methods")
    void testCredentialsInterface() {
        // Verify interface methods exist
        assertDoesNotThrow(() -> {
            mockCredentials.unwrap(Credentials.class);

                    Object value = field.get(null);
                    assertNotNull(value, "Field " + field.getName() + " should not be null");
                    assertTrue(value instanceof HtmlNext, "Field " + field.getName() + " should be HtmlNext instance");
                }
            }
        }
    }

    @Test
    public void test_pathValues() throws Exception {

    /**
     * Records cache hits. This should be called when a cache request returns a cached value.
     *
     * @param count the number of hits to record
     * @since 11.0
     */
    void recordHits(int count);

    /**
     * Records cache misses. This should be called when a cache request returns a value that was not
     * found in the cache. This method should be called by the loading thread, as well as by threads

        @Test
        @DisplayName("should not save modifications to disk")
        void shouldNotSaveModificationsToDisk() {
            assertFalse(checkGoal.shouldSaveModifications(), "Check goal should not save modifications to disk");
        }
    }

    @Nested
    @DisplayName("Execution")
    class ExecutionTests {

        @Test
        @DisplayName("should log appropriate header message")

            }
        });

        MockSMailPostingDiscloser discloser = new MockSMailPostingDiscloser();

        // Should return early without doing anything
        try {
            notificationHelper.sendToSlack(null, discloser);
        } catch (Exception e) {
            fail("sendToSlack() should not throw an exception with blank URLs: " + e.getMessage());
        }
    }

    @Test