}

  private void expectThrows(Target target) {
    try {
      collection.retainAll(target.toRetain);
      String message = Platform.format("retainAll(%s) should throw", target);
      fail(message);
    } catch (UnsupportedOperationException expected) {
    }
  }

  private void expectReturnsFalseOrThrows(Target target) {

        assertEquals(1.0, stats.successRate);
    }

    @Test
    @DisplayName("Test circuit opens after failure threshold")
    void testCircuitOpensAfterThreshold() {
        // Fail 3 times to open the circuit
        for (int i = 0; i < 3; i++) {
            try {
                circuitBreaker.call(() -> {
                    throw new RuntimeException("Test failure");
                });

          private boolean alreadyCalledEndOfData;

          @Override
          public @Nullable Integer computeNext() {
            if (alreadyCalledEndOfData) {
              fail("Should not have been invoked again");
            }
            alreadyCalledEndOfData = true;
            return endOfData();
          }
        };

    /*

          private boolean alreadyCalledEndOfData;

          @Override
          public @Nullable Integer computeNext() {
            if (alreadyCalledEndOfData) {
              fail("Should not have been invoked again");
            }
            alreadyCalledEndOfData = true;
            return endOfData();
          }
        };

    /*

		closeBitrotWriters(staleWriters)
		if err != nil && !test.shouldFail {
			t.Errorf("Test %d: should pass but it failed with: %v", i, err)
		}
		if err == nil && test.shouldFail {
			t.Errorf("Test %d: should fail but it passed", i)
		}
		if err == nil {
			// Verify that checksums of staleDisks
			// match expected values
			for i := range staleWriters {
				if staleWriters[i] == nil {
					continue
				}

* Fixed mounting with containerized kubelet ([#23435](https://github.com/kubernetes/kubernetes/pull/23435), [@jsafrane](https://github.com/jsafrane))
* Do not throw creation errors for containers that fail immediately after being started ([#23894](https://github.com/kubernetes/kubernetes/pull/23894), [@vishh](https://github.com/vishh))

        testProcessHelper.exitValue = 1;
        testProcessHelper.processOutput = "Generation failed";

        try {
            thumbnailJob.executeThumbnailGenerator();
            fail("Should throw JobProcessingException");
        } catch (JobProcessingException e) {
            assertTrue(e.getMessage().contains("Thumbnail Process terminated."));
        } catch (NullPointerException e) {

    @BeforeEach
    void setUp() throws Exception {
        source = new Source();

        projectArtifact = createArtifactSpec("project", "1.0", null);
    }

    @Test
    @Disabled("works, but we don't fail on cycles presently")
    void testCircularDependencyNotIncludingCurrentProject()
            throws ArtifactResolutionException, InvalidVersionSpecificationException {
        ArtifactSpec a = createArtifactSpec("a", "1.0");

   * the discussion in the {@link ListenableFuture#addListener ListenableFuture.addListener}
   * documentation.
   */
  public void add(Runnable runnable, Executor executor) {
    // Fail fast on a null. We throw NPE here because the contract of Executor states that it throws
    // NPE on null listener, so we propagate that contract up into the add method as well.
    checkNotNull(runnable, "Runnable was null.");

                        Severity.WARNING,
                        prefix + ".layout",
                        repository.getId(),
                        "uses the unsupported value 'legacy', artifact resolution might fail.");
            }
        }
    }

    // ----------------------------------------------------------------------
    // Field validation