public function testUpdateContentMetadataThrowsInvalidArgumentExceptionNoMetadataPropertiesSet()
{
/* BEGIN: Use Case */
$contentService = $this->repository->getContentService();
$contentInfo = $contentService->loadContentInfo(4);
$contentMetadataUpdateStruct = $contentService->newContentMetadataUpdateStruct();
// Throws an exception because no properties are set in $contentMetadataUpdateStruct
$contentService->updateContentMetadata($contentInfo, $contentMetadataUpdateStruct);
/* END: Use Case */
}