Currently, stepdown resiliency for sharded cluster are tested by:

• sharding_csrs_continuous_config_stepdown:
  • Covers only jstests/sharding/** tests
  • Only step down config server
• concurrency_sharded_with_stepdowns:
  • Covers only FSM tests
  • step down all primaries, both config and shard

Unfortunately, I can't find any suite that is covering our most basic tests ( "jstests/core/*") using a sharded cluster with stepdowns.

We have something similar for other cluster topology, but not for sharded clusters:

• retryable_writes_jscore_stepdown_passthrough
• tenant_migration_stepdown_jscore_passthrough
• shard_split_stepdown_jscore_passthrough