Merge pull request #8288 from edx/ned/add-range-checker

cms/djangoapps/contentstore/tests/test_course_listing.py

cms/djangoapps/contentstore/tests/test_courseware_index.py

cms/djangoapps/contentstore/tests/test_libraries.py

...pps/contentstore/views/tests/test_group_configurations.py

cms/djangoapps/contentstore/views/tests/test_library.py

common/djangoapps/util/tests/test_memcache.py

common/lib/capa/capa/tests/response_xml_factory.py

common/lib/capa/capa/tests/test_input_templates.py

...n/lib/xmodule/xmodule/modulestore/tests/test_libraries.py

...module/modulestore/tests/test_split_copy_from_template.py

...pen_ended_grading_classes/combined_open_ended_modulev1.py

.../open_ended_grading_classes/combined_open_ended_rubric.py

...e/xmodule/open_ended_grading_classes/open_ended_module.py

...dule/xmodule/open_ended_grading_classes/openendedchild.py

common/test/acceptance/tests/studio/test_studio_library.py

lms/djangoapps/courseware/tests/test_recommender.py

lms/djangoapps/instructor/tests/utils.py

lms/djangoapps/mobile_api/video_outlines/tests.py

lms/djangoapps/open_ended_grading/staff_grading_service.py

lms/djangoapps/open_ended_grading/views.py