As long as SERVER-86309 is not completed, when FCV < 8.0 the convertToCapped command is not passing by the DDL coordinator and does not update the sharding catalog.

So we may observe the following failure:

1. The collection was created/tracked when the FCV was 8.0
2. FCV downgraded to v7.0
3. convertToCapped runs in the legacy path, ignoring the sharding catalog

Purpose of this ticket is to blacklist this test from suites downgrading the FCV and put a TODO to re-enable it as part of SERVER-86309.