feat(testing-sdk): integrate checkpoint processor in execution response #333

Job	Run time
setup	6s
Hello World	58s
Step with Name	1m 8s
Basic Step	1m 3s
Step with Retry	1m 8s
Run in Child Context	1m 2s
Callback	58s
Wait State	1m 9s
Multiple Wait	1m 30s
Block Example	1m 3s
Steps with Retry	1m 34s
Map Operations	1m 0s
Parallel Operations	1m 10s
Run in Child Context Large Data	1m 12s
Map with Min Successful	1m 5s
Wait for Condition	1m 17s
Map with Max Concurrency	1m 10s
Parallel with Wait	1m 21s
Logger Example	1m 2s
Map with Failure Tolerance	1m 6s
Map with Custom SerDes	1m 18s
Simple Execution	1m 10s
Parallel with Max Concurrency	1m 4s
Parallel with Failure Tolerance	1m 5s
Parallel with Custom SerDes	1m 10s
Map with Batch SerDes	57s
Parallel with Batch SerDes	1m 6s
Handler Error	1m 4s
	30m 56s

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