[test] Add a test for cancellable #659

Job	Run time
Semantic Version label check	5s
musl	1m 39s
Unit tests / Construct unit test matrix	3s
Soundness / API breakage check	2m 30s
Soundness / License headers check	5s
Soundness / Format check	36s
Soundness / Broken symlinks check	3s
Soundness / Shell check	33s
Soundness / Unacceptable language check	3s
Soundness / Python lint check	6s
Soundness / Documentation check	1m 37s
Soundness / YAML lint check	6s
Integration Tests / Test archive plugin (ResourcesPackaging)	2m 27s
Integration Tests / Test archive plugin (HelloWorld)	2m 25s
Integration Tests / No dependencies on Foundation	2m 17s
Integration Tests / Test Examples/APIGateway+LambdaAuthorizer on	1m 58s
Integration Tests / Test Examples/BackgroundTasks on	2m 11s
Integration Tests / Test Examples/ResourcesPackaging on	1m 44s
Integration Tests / Test Examples/HelloJSON on	1m 45s
Integration Tests / Test Examples/S3_Soto on	7m 47s
Integration Tests / Test Examples/HelloWorld on	1m 42s
Integration Tests / Test Examples/Streaming on	1m 46s
Integration Tests / Test Examples/APIGateway on	1m 58s
Integration Tests / Test Examples/S3_AWSSDK on	6m 24s
Integration Tests / Test Examples/Testing on	1m 51s
Integration Tests / Test Examples/Tutorial on	1m 50s
Integration Tests / Test Examples/S3EventNotifier on	1m 56s
Swift 6 Language Mode / Swift 6 language mode	1m 19s
Unit tests / Unit tests / Linux (6.0)	1m 27s
Unit tests / Unit tests / Linux (6.1)	1m 27s
Unit tests / Unit tests / Linux (nightly-main)	1m 58s
Unit tests / Unit tests / Linux (nightly-next)	1m 57s
	55m 35s

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