Merge pull request #12344 from edx/usman/tnl4398-karma-config-improvements

cms/static/coffee/spec/main.coffee

cms/static/coffee/spec/main_spec.coffee

cms/static/coffee/spec/main_squire.coffee

cms/static/coffee/spec/views/textbook_spec.coffee

cms/static/js/spec/views/group_configuration_spec.js

cms/static/js_test.yml

cms/static/js_test_squire.yml

cms/static/karma_cms.conf.js

cms/static/karma_cms_squire.conf.js

common/lib/xmodule/xmodule/js/js_test.yml

common/lib/xmodule/xmodule/js/karma_xmodule.conf.js

common/static/common/js/karma.common.conf.js

common/static/common/js/spec/components/feedback_spec.js

common/static/common/js/spec/components/view_utils_spec.js

common/static/common/js/spec/main_requirejs.js

common/static/common/js/spec_helpers/jasmine-extensions.js

common/static/common/js/spec_helpers/jasmine-stealth.js

common/static/common/js/spec_helpers/jasmine-waituntil.js

common/static/js_test.yml

common/static/js_test_requirejs.yml