Fix flaky test testTasksScheduledDuringShutdownAreAutomaticallyCancel… #1130

Job	Run time
Construct integration test matrix	3s
Vsock tests	2m 16s
Benchmarks / Construct Benchmarks matrix	2s
Cxx interop / Construct Cxx interop matrix	7s
Unit tests / Construct unit test matrix	7s
Soundness / Broken symlinks check	3s
Soundness / Documentation check	2m 5s
Soundness / API breakage check	2m 2s
Soundness / Format check	49s
Soundness / License headers check	8s
Soundness / Python lint check	5s
Soundness / Shell check	37s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	3s
Integration tests / Linux (5.9)	15m 36s
Integration tests / Linux (5.10)	14m 9s
Benchmarks / Benchmarks / Linux (5.9)	5m 26s
Integration tests / Linux (6.0)	16m 26s
Benchmarks / Benchmarks / Linux (5.10)	4m 57s
Integration tests / Linux (nightly-6.0)	16m 34s
Benchmarks / Benchmarks / Linux (6.0)	5m 37s
Integration tests / Linux (nightly-main)	16m 51s
Benchmarks / Benchmarks / Linux (nightly-6.0)	6m 6s
Benchmarks / Benchmarks / Linux (nightly-main)	4m 36s
Cxx interop / Cxx interop / Linux (5.9)	1m 14s
Cxx interop / Cxx interop / Linux (5.10)	1m 8s
Cxx interop / Cxx interop / Linux (6.0)	1m 20s
Cxx interop / Cxx interop / Linux (nightly-6.0)	1m 40s
Cxx interop / Cxx interop / Linux (nightly-main)	1m 42s
Unit tests / Unit tests / Linux (5.9)	3m 48s
Unit tests / Unit tests / Linux (5.10)	3m 50s
Unit tests / Unit tests / Linux (6.0)	3m 59s
Unit tests / Unit tests / Linux (nightly-6.0)	4m 32s
Unit tests / Unit tests / Linux (nightly-main)	4m 33s
	2h 22m 34s

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