Comment which tests are optional

Author: Michal Horejsek

tests/json_schema/test_draft04.py

@@ -8,6 +8,7 @@ def pytest_generate_tests(metafunc):
         version=4,
         suite_dir='JSON-Schema-Test-Suite/tests/draft4',
         ignored_suite_files=[
+            # Optional.
             'ecmascript-regex.json',
         ],
         ignore_tests=[],

tests/json_schema/test_draft06.py

@@ -8,6 +8,7 @@ def pytest_generate_tests(metafunc):
         version=6,
         suite_dir='JSON-Schema-Test-Suite/tests/draft6',
         ignored_suite_files=[
+            # Optional.
             'ecmascript-regex.json',
         ],
         ignore_tests=[

tests/json_schema/test_draft07.py

@@ -8,6 +8,7 @@ def pytest_generate_tests(metafunc):
         version=7,
         suite_dir='JSON-Schema-Test-Suite/tests/draft7',
         ignored_suite_files=[
+            # Optional.
             'ecmascript-regex.json',
             'idn-email.json',
             'idn-hostname.json',