Create a test for namespace attributes
Create a test for namespace attributes

gjtorikian/html-proofer,Tiger66639/html-proofer,Tiger66639/html-proofer,Tiger66639/html-proofer,Tiger66639/html-proofer,gjtorikian/html-proofer,Tiger66639/html-proofer,gjtorikian/html-proofer,gjtorikian/html-proofer,gjtorikian/html-proofer