test_build_server: additional tests.

playbooks/roles/test_build_server/files/test-development-environment.sh

@@ -36,6 +36,9 @@ paver test_js_run -s xmodule
 
 # Run some of the bok-choy tests
 paver test_bokchoy -t test_lms.py:RegistrationTest
+paver test_bokchoy -t test_discussion.py:DiscussionTabSingleThreadTest
+paver test_bokchoy -t test_studio_with_ora_component.py
+paver test_bokchoy -t test_matlab_problem.py
 
 # Run some of the lettuce acceptance tests
 paver test_acceptance -s lms --extra_args="lms/djangoapps/courseware/features/problems.feature -s 1"