Merge pull request #11798 from edx/benp/sol-430-again

Flagging other library import bok-choy test as flaky.

common/test/acceptance/tests/studio/test_import_export.py

@@ -409,6 +409,7 @@ class TestLibraryImport(ImportTestMixin, StudioLibraryTest):
     def page_args(self):
         return [self.browser, self.library_key]
 
+    @flaky  # TODO: SOL-430
     def test_library_updated(self):
         """
         Given that I visit an empty library