feat: implement event-based assertion system for durable function testing #465

Job	Run time
setup	5s
Basic Step	1m 53s
Wait for Callback Failure	1m 19s
Callback	1m 49s
Step with Name	1m 56s
Wait For Callback Submitter Failure	1m 55s
Multiple Wait	1m 35s
Step with Retry	1m 33s
Wait State	1m 23s
Wait For Callback Success Anonymous	1m 56s
Hello World	1m 37s
Wait For Callback Mixed Ops	2m 2s
Wait for Callback Success	2m 0s
Wait For Callback With Child Context	1m 57s
Run in Child Context	1m 55s
Wait For Callback Heartbeat Sends	1m 36s
Wait For Callback Failing Submitter Catchable	1m 31s
Wait For Callback Multiple Invocations	2m 5s
Wait For Callback Serdes	2m 3s
Wait For Callback Nested	2m 7s
Map Large Scale	1m 18s
Parallel with Custom SerDes	59s
Parallel Operations	1m 19s
Map Operations	1m 59s
Parallel with Wait	1m 59s
Callback Success	1m 58s
Steps with Retry	1m 31s
Handler Error	1m 31s
Block Example	1m 3s
Parallel with Max Concurrency	1m 28s
None Results	1m 24s
Map with Max Concurrency	1m 59s
No Replay Execution	1m 55s
Map with Batch SerDes	1m 23s
Wait for Condition	1m 49s
Create Callback Mixed Operations	1m 58s
Create Callback Custom Serdes	1m 23s
Map with Custom SerDes	1m 57s
Map Completion Config	1m 26s
Run in Child Context Large Data	1m 24s
Map with Min Successful	1m 26s
Map with Failure Tolerance	1m 57s
Run In Child Context With Failing Step	1m 25s
Create Callback Concurrency	2m 7s
Simple Execution	1m 51s
Logger Example	1m 54s
Parallel with Failure Tolerance	1m 0s
Comprehensive Operations	2m 0s
Create Callback Heartbeat	1m 51s
Callback Success None	1m 31s
Parallel with Batch SerDes	1m 12s
	1h 24m 14s

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