assertNotNull(authenticator);
        assertEquals(testAuthenticator, authenticator);
    }

    public void test_getAuthenticator_whenComponentDoesNotExist() {
        currentSsoType = "nonexistent";
        ssoManager = new SsoManager() {
            @Override
            protected String getSsoType() {
                return currentSsoType;
            }
        };

    }
  }

  /**
   * Creates any necessary but nonexistent parent directories of the specified file. Note that if
   * this operation fails it may have succeeded in creating some (but not all) of the necessary
   * parent directories.
   *
   * @throws IOException if an I/O error occurs, or if any necessary but nonexistent parent
   *     directories of the specified file could not be created.
   * @since 4.0

            Files.deleteIfExists(tempFile);
        }
    }

    public void test_writeThreadDump_withInvalidPath() {
        // Test with invalid file path (directory that doesn't exist)
        String invalidPath = "/nonexistent/directory/thread-dump.txt";

        try {
            ThreadDumpUtil.writeThreadDump(invalidPath);
            // Should not throw exception but log warning
        } catch (Exception e) {

    }

    public void test_getParamValueArray_withNullParam() {
        MockHttpServletRequest request = new MockHttpServletRequest();
        String[] result = SearchRequestParams.getParamValueArray(request, "nonexistent");
        assertEquals(0, result.length);
    }

    public void test_getParamValueArray_withBlankValues() {
        MockHttpServletRequest request = new MockHttpServletRequest();

- Fixed a bug where using `kubectl patch` with `$deleteFromPrimitiveList` on a nonexistent or empty list would add the item to the list ([#105421](https://github.com/kubernetes/kubernetes/pull/105421), [@brianpursley](https://github.com/brianpursley))

    * inside of which a write lock was intended to prevent races against
    * VM creation, but the usage of the sync.RWMutex type is incorrect,
    * plus is placed in a defer call so the locking is effectively
    * nonexistent.  This patch adds an anonymous function call inside
    * the loop to correctly handle acquiring the write lock with deferred
    * unlock to run at that function's completion, following the normal

* Set default snap channel on charms to 1.7 stable ([#48874](https://github.com/kubernetes/kubernetes/pull/48874), [@ktsakalozos](https://github.com/ktsakalozos))
* prevent unsetting of nonexistent previous port in kubeapi-load-balancer charm ([#49033](https://github.com/kubernetes/kubernetes/pull/49033), [@wwwtyro](https://github.com/wwwtyro))

    * inside of which a write lock was intended to prevent races against
    * VM creation, but the usage of the sync.RWMutex type is incorrect,
    * plus is placed in a defer call so the locking is effectively
    * nonexistent.  This patch adds an anonymous function call inside
    * the loop to correctly handle acquiring the write lock with deferred
    * unlock to run at that function's completion, following the normal