Remove class in test_urls
Rename assert_strict_equal to strict_eq

And remove some reporting code that is useless with py.test
Remove class in test_serving
Remove class in test_local
Remove class in test_internal
Remove class in test_compat
Remove class in test_security
Remove class in test_securecookie
Remove class in test_sessions
Remove class in test_utils
Remove class in test_exceptions
Remove subclassing from test_debug
Remove class in test_test
Remove class from test_wrappers