Description of problem:

With the addition of the MCO disruptive test suite, the MCN tests tagged with `[Slow]` now run in periodic jobs. The `Should properly report MCN conditions on node degrade` test occasionally flakes, which negatively contributes to component readiness for the MCO & the MCN feature gate. We are trying to backport the MCN feature gate graduation to 4.19, but this is being blocked by concerns on the stability of the test.

Version-Release number of selected component (if applicable):

4.19

How reproducible:

Rare flaking.

Steps to Reproduce:

Flake cause is not yet known. Example failed test can be found here.

Actual results:

The node degrade test sometimes flakes.

Expected results:

The node degrade test should not flake. While debugging, we should temporarily skip the test in 4.19 so that it does not negatively impact MCN's component readiness score.

Additional info:

• API concern about test pass rates can be seen here.
• Discussion on temporarily skipping the test in 4.19 can be seen here.