Speed up test_comments by using setUpTestData (#2310)
Speed up test_comments by using setUpTestData (#2310)

Before patch: 42.19 seconds

After patch: 31.37 seconds
pombredanne/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,safwanrahman/readthedocs.org,rtfd/readthedocs.org,pombredanne/readthedocs.org,davidfischer/readthedocs.org,tddv/readthedocs.org,rtfd/readthedocs.org,safwanrahman/readthedocs.org,safwanrahman/readthedocs.org,tddv/readthedocs.org,rtfd/readthedocs.org,davidfischer/readthedocs.org,pombredanne/readthedocs.org,safwanrahman/readthedocs.org,tddv/readthedocs.org,davidfischer/readthedocs.org