return whenAllComplete(asList(future1, moreFutures));
  }

  /**
   * Starts specifying how to combine {@link ClosingFuture}s into a single pipeline, assuming they
   * all succeed. If any fail, the resulting pipeline will fail.
   *
   * @throws IllegalStateException if a {@code ClosingFuture} has already been derived from any of
   *     the {@code futures}, or if any has already been {@linkplain #finishToFuture() finished}
   */

			secretKey:        credentials.SecretKey,

			expectedRespStatus: http.StatusBadRequest,
		},

		// Test case - 3.
		// Test case with new object name is same as object to be copied.
		// Fail with file not found.
		{
			bucketName:       bucketName,
			uploadID:         uploadID,
			copySourceHeader: url.QueryEscape(SlashSeparator + bucketName + SlashSeparator + testObject),

	// assert the status code of the response.
	c.Assert(response.StatusCode, http.StatusOK)

	// constructing http request to delete the bucket.
	// making an attempt to delete an non-empty bucket.
	// expected to fail.
	request, err = newTestSignedRequest(http.MethodDelete, getDeleteBucketURL(s.endPoint, bucketName),
		0, nil, s.accessKey, s.secretKey, s.signer)
	c.Assert(err, nil)

	response, err = s.client.Do(request)

      Future<Integer> transformedFuture, Class<? extends Throwable> expectedExceptionClass)
      throws Throwable {
    for (int i = 0; i < 5; i++) {
      try {
        getDone(transformedFuture);
        fail();
      } catch (ExecutionException expected) {
        if (!expectedExceptionClass.isInstance(expected.getCause())) {
          throw expected.getCause();
        }
      }
    }
  }

      Future<Integer> transformedFuture, Class<? extends Throwable> expectedExceptionClass)
      throws Throwable {
    for (int i = 0; i < 5; i++) {
      try {
        getDone(transformedFuture);
        fail();
      } catch (ExecutionException expected) {
        if (!expectedExceptionClass.isInstance(expected.getCause())) {
          throw expected.getCause();
        }
      }
    }
  }

    * - gcr.io/google-containers/kube-dnsmasq-amd64
* Check if pathExists before performing Unmount ([#39311](https://github.com/kubernetes/kubernetes/pull/39311), [@rkouj](https://github.com/rkouj))
* Unmount operation should not fail if volume is already unmounted ([#38547](https://github.com/kubernetes/kubernetes/pull/38547), [@rkouj](https://github.com/rkouj))

    static final int O_RDWR = 0x03;
    static final int O_APPEND = 0x04;

    // Open Function Encoding
    // create if the file does not exist
    static final int O_CREAT = 0x0010;
    // fail if the file exists
    static final int O_EXCL = 0x0020;
    // truncate if the file exists
    static final int O_TRUNC = 0x0040;

    // share access
    /**

    assertThat(newFirst.getValueReference().get()).isSameInstanceAs(valueThree);
    assertThat(newFirst.getHash()).isEqualTo(hashThree);
    assertThat(newFirst.getNext()).isSameInstanceAs(entryOne);

    // tail (remaining entries are copied in reverse order)
    newFirst = segment.removeEntryFromChain(entryThree, entryOne);
    assertThat(newFirst.getKey()).isSameInstanceAs(keyTwo);

    assertThat(newFirst.getValueReference().get()).isSameInstanceAs(valueThree);
    assertThat(newFirst.getHash()).isEqualTo(hashThree);
    assertThat(newFirst.getNext()).isSameInstanceAs(entryOne);

    // tail (remaining entries are copied in reverse order)
    newFirst = segment.removeEntryFromChain(entryThree, entryOne);
    assertThat(newFirst.getKey()).isSameInstanceAs(keyTwo);

* list-resources: don't fail if the grep fails to match any resources ([#41933](https://github.com/kubernetes/kubernetes/pull/41933), [@ixdy](https://github.com/ixdy))