SERVER-97077 excludes several changestream tests running being run in the sharding_csrs_continuous_config_stepdown test suite.
The reason is that the excluded tests were not using the `ChangeStreamTest` fixture and thus do not handle errors labeled with `ResumableChangeStreamError`.

Rather than excluding the tests from being run in the test suite, we could port them to use the `ChangeStreamTest` fixture instead, which will handle resumable changestream errors internally.