Fixes [] (broken test: tests.functional.test_classes.DatastoreBackedSampleCourseTest.test_add_sample_course)
Fixes [] (broken test: tests.functional.test_classes.DatastoreBackedSampleCourseTest.test_add_sample_course)

Names must be unique in activities.

	Change on 2016/07/14 by davyrisso <davyrisso@google.com>

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127460425

andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core,andela-angene/coursebuilder-core