Add integration test for swift.runPluginTask command #275

Job	Run time
Test / Windows (5.9 - windows-2022)	10m 16s
Test / Windows (5.9 - windows-2022)	15m 29s
Test / Linux (5.8 - jammy)	3m 8s
Test / Linux (5.8 - jammy)	3m 8s
Test / Windows (5.10 - windows-2022)	11m 27s
Test / Windows (5.10 - windows-2022)	10m 52s
Test / Linux (5.9 - jammy)	3m 25s
Test / Linux (5.9 - jammy)	3m 25s
Test / Windows (6.0 - windows-2022)	11m 5s
Test / Windows (6.0 - windows-2022)	11m 8s
Test / Linux (5.10 - jammy)	3m 1s
Test / Linux (5.10 - jammy)	3m 1s
Test / Windows (nightly-6.0 - windows-2019)	11m 22s
Test / Windows (nightly-6.0 - windows-2019)	11m 22s
Test / Linux (6.0 - jammy)	4m 17s
Test / Linux (6.0 - jammy)	4m 17s
Test / Linux (nightly-6.0 - jammy)	4m 23s
Test / Linux (nightly-6.0 - jammy)	4m 23s
Soundness / Broken symlinks check	3s
Soundness / Broken symlinks check	3s
Soundness / API breakage check	0s
Soundness / API breakage check	0s
Soundness / Documentation check	0s
Soundness / Documentation check	0s
Soundness / License headers check	0s
Soundness / License headers check	0s
Soundness / Format check	0s
Soundness / Format check	0s
Soundness / Python lint check	5s
Soundness / Python lint check	5s
Soundness / Unacceptable language check	3s
Soundness / Unacceptable language check	3s
Soundness / YAML lint check	5s
Soundness / YAML lint check	5s
Soundness / Shell check	37s
Soundness / Shell check	37s
	2h 11m 15s

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