Fix failing tests by comparing regex by their pattern.

tests/tween_test.py

@@ -16,31 +16,44 @@
 from pyramid_swagger.tween import validate_outgoing_response
 
 
+def assert_eq_regex_lists(left, right):
+    assert [r.pattern for r in left] == [r.pattern for r in right]
+
+
 def test_default_exclude_paths():
-    assert get_exclude_paths(Mock(settings={})) \
-        == [re.compile(r) for r in DEFAULT_EXCLUDED_PATHS]
+    assert_eq_regex_lists(
+        get_exclude_paths(Mock(settings={})),
+        [re.compile(r) for r in DEFAULT_EXCLUDED_PATHS]
+    )
 
 
 def test_exclude_path_with_string():
     path_string = r'/foo/'
-    assert get_exclude_paths(
-        Mock(settings={'pyramid_swagger.exclude_paths': path_string})) \
-        == [re.compile(r) for r in [path_string]]
+    registry = Mock(settings={'pyramid_swagger.exclude_paths': path_string})
+    assert_eq_regex_lists(
+        get_exclude_paths(registry),
+        [re.compile(r) for r in [path_string]]
+    )
 
 
 def test_exclude_path_with_overrides():
     paths = [r'/foo/', r'/bar/']
     compiled = get_exclude_paths(
         Mock(settings={'pyramid_swagger.exclude_paths': paths}))
-    assert compiled == [re.compile(r) for r in paths]
+    assert_eq_regex_lists(
+        compiled,
+        [re.compile(r) for r in paths]
+    )
 
 
 def test_exclude_path_with_old_setting():
     # TODO(#63): remove deprecated `skip_validation` setting in v2.0.
     paths = [r'/foo/', r'/bar/']
-    assert get_exclude_paths(
-        Mock(settings={'pyramid_swagger.skip_validation': paths})) \
-        == [re.compile(r) for r in paths]
+    assert_eq_regex_lists(
+        get_exclude_paths(
+            Mock(settings={'pyramid_swagger.skip_validation': paths})),
+        [re.compile(r) for r in paths]
+    )
 
 
 def test_response_charset_missing_raises_5xx():