[test] Add a test for cancellable #658

Job	Run time
Semantic Version label check	5s
Unit tests / Construct unit test matrix	3s
musl	1m 36s
Soundness / Documentation check	1m 42s
Soundness / Format check	1m 21s
Soundness / Unacceptable language check	4s
Soundness / License headers check	7s
Soundness / Broken symlinks check	6s
Soundness / Python lint check	7s
Soundness / Shell check	32s
Soundness / API breakage check	2m 26s
Soundness / YAML lint check	4s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	1m 53s
Integration Tests / Test Examples/HelloJSON on	1m 52s
Integration Tests / Test Examples/ResourcesPackaging on	1m 54s
Integration Tests / Test Examples/HelloWorld on	1m 45s
Integration Tests / Test Examples/APIGateway on	2m 3s
Integration Tests / Test Examples/BackgroundTasks on	1m 45s
Swift 6 Language Mode / Swift 6 language mode	1m 20s
Integration Tests / Test Examples/Streaming on	1m 50s
Integration Tests / Test Examples/S3EventNotifier on	1m 54s
Integration Tests / Test Examples/S3_AWSSDK on	6m 32s
Integration Tests / Test Examples/S3_Soto on	7m 52s
Integration Tests / Test Examples/Tutorial on	1m 45s
Integration Tests / No dependencies on Foundation	1m 58s
Integration Tests / Test archive plugin (ResourcesPackaging)	2m 43s
Integration Tests / Test Examples/Testing on	1m 51s
Integration Tests / Test archive plugin (HelloWorld)	2m 41s
Unit tests / Unit tests / Linux (6.0)	1m 26s
Unit tests / Unit tests / Linux (nightly-next)	2m 5s
Unit tests / Unit tests / Linux (nightly-main)	1m 52s
Unit tests / Unit tests / Linux (6.1)	1m 26s
	56m 40s

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