Merge pull request #7821 from edx/benp/flaky-TNL-2083

Flag test as flaky. TNL-2083.

common/test/acceptance/tests/lms/test_lms.py

@@ -617,6 +617,7 @@ class PDFTextBooksTabTest(UniqueCourseTest):
         # Auto-auth register for the course
         AutoAuthPage(self.browser, course_id=self.course_id).visit()
 
+    @flaky  # TODO: fix this, see TNL-2083
     def test_verify_textbook_tabs(self):
         """
         Test multiple pdf textbooks loads correctly in lms.