more comments

Signed-off-by: Alex Chi Z <chi@neon.tech>

test_runner/regress/test_tenants.py

@@ -369,12 +369,16 @@ def test_create_churn_during_restart(neon_env_builder: NeonEnvBuilder):
     - Bad response codes during shutdown (e.g. returning 500 instead of 503)
     - Issues where a tenant is still starting up while we receive a request for it
     - Issues with interrupting/resuming tenant/timeline creation in shutdown
+    - Issues with a timeline is not created successfully because of restart.
     """
     env = neon_env_builder.init_configs()
     env.start()
     tenant_id: TenantId = env.initial_tenant
     timeline_id = env.initial_timeline
 
+    # At this point, the initial tenant/timeline might not have been created successfully,
+    # and this is the case we want to test.
+
     # Multiple creation requests which race will generate this error on the pageserver
     # and storage controller respectively
     env.pageserver.allowed_errors.append(".*Conflict: Tenant is already being modified.*")