Merge pull request #5044 from RosettaCommons/vmullig/fix_multithreaded_ig_symm_test
Fix the multithreaded_ig_symm integration test and reinstate it
This PR aims to fix this previously permabroken test. Tasks:
- [x] PR #5043 must be merged before this one. (This branch is branched off of `roccomoretti/fix_tests`).
- [x] Revert 074fe9c78a2f157d245b1ed9cef9fd9e13d9487f to re-enable the test.
- [x] Confirm that it fails.
- [x] Find the problem --> threshold was just a bit too low.
- [x] Fix it --> threshold raised a bit.
- [x] Confirm that test passes on my machine.
- [x] Confirm that test passes on test server.