edx/edx-platform — pull request #1804 by valera-rozuvan (2013-11-28 14:57:51+00:00)
Title: Oleg/lti graded additional tests

- Includes new and updated Python tests for the LTI module.
- Includes fix for BLD-465: e-reader error when popping out window.

Description
The attached error is seen when attempting to pop out the e-reader in a different window - happens about 50% of the time. Can be seen in 2.03x here: https://courses.edx.org/courses/MITx/2.03x/3T2013/courseware/Course_Text/Textbook/# . Also noted in 4.605x course.

Note
Because originally the branch of this PR was branched off from rc/2013-11-21 branch, this PR must wait before rc/2013-11-21 gets merged into master.

Work in progress, do not merge!