chore: self mutation (e2e-2of2.diff)

Signed-off-by: monada-bot[bot] <[email protected]>

tools/hangar/__snapshots__/test_corpus/sdk_tests/function/concurrency.test.w_test_sim.md

@@ -4,6 +4,7 @@
 ```log
 [ERROR] f1 concurrency limit reached | Invoke (payload=undefined). Error: Too many requests, the function has reached its concurrency limit.
 [INFO] queue applies backpressure to functions with limited concurrency | c: 3
+[ERROR] f1 concurrency limit reached | InvokeAsync (payload=undefined) failure. Error: Process exited with code null, signal SIGTERM
 pass ─ concurrency.test.wsim » root/env0/test:f1 concurrency limit reached                                    
 pass ─ concurrency.test.wsim » root/env1/test:queue applies backpressure to functions with limited concurrency