Tests in file common/lib/xmodule/xmodule/partitions/tests/test_partitions.py are failing intermittently. I was able to run tests a number of times in a row locally, and have the tests pass sometimes and fail others. I was also able to reliably make a test pass or fail if running the test again the same seed number. Example call of test in local devstack looks like:
Pardon if this isn't in the right JIRA queue, took a best guess!
Some things required from the confluence page about this kind of bug:
PR to test removal - https://github.com/edx/edx-platform/pull/19623
failed test in Jenkins: https://build.testeng.edx.org/job/edx-platform-test-subset/1582547/console
passed tests in Jenkins: https://build.testeng.edx.org/job/edx-platform-python-unittests-pr/59837/console
stack trace for one of the errors (note that, 1 test fails, but it can be different each time):