### Other (Cleanup or Flake)

- Improve error message when a pod with user namespaces is created and the runtime doesn't support user namespaces. ([#131781](https://github.com/kubernetes/kubernetes/pull/131781), [@rata](https://github.com/rata)) [SIG Node]

## Dependencies

### Added
_Nothing has changed._

### Changed

- Improved the error message shown when a Pod using user namespaces was created on a runtime that did not support user namespaces. ([#131623](https://github.com/kubernetes/kubernetes/pull/131623), [@rata](https://github.com/rata))

### Other (Cleanup or Flake)

- Improve error message when a pod with user namespaces is created and the runtime doesn't support user namespaces. ([#131782](https://github.com/kubernetes/kubernetes/pull/131782), [@rata](https://github.com/rata)) [SIG Node]

## Dependencies

### Added
_Nothing has changed._

### Changed

### Other (Cleanup or Flake)

- Improve error message when a pod with user namespaces is created and the runtime doesn't support user namespaces. ([#131783](https://github.com/kubernetes/kubernetes/pull/131783), [@rata](https://github.com/rata)) [SIG Node]

## Dependencies

### Added
_Nothing has changed._

### Changed
_Nothing has changed._

### Removed

        assertEquals(Constants.CRAWLING_INFO_SYSTEM_NAME, crawlJob.namespace);
        assertNull(crawlJob.webConfigIds);
        assertNull(crawlJob.fileConfigIds);
        assertNull(crawlJob.dataConfigIds);
        assertEquals(-2, crawlJob.documentExpires);
        assertEquals(-1, crawlJob.hotThreadInterval);
    }

    // Test namespace setter
    public void test_namespace() {

     * Processes collection definitions and tracks the element hierarchy.
     *
     * @param uri the namespace URI, or empty string if none
     * @param localName the local name without prefix, or empty string if namespace processing is not performed
     * @param qName the qualified name with prefix, or empty string if qualified names are not available