Migrate test with `swift-testing` #216

Job	Run time
Generate matrix	2s
Danger	43s
Test(macOS) (16.0, macOS)	48s
Test(Linux) (6.0)	2m 28s
Test(macOS) (16.0, iOS)	1m 22s
Test(Linux) (5.10)	2m 24s
Test(macOS) (16.0, watchOS)	1m 22s
Test(macOS) (16.0, tvOS)	1m 11s
Test(macOS) (15.4, macOS)	51s
Test(macOS) (15.4, iOS)	1m 5s
Test(macOS) (15.4, watchOS)	1m 5s
Test(macOS) (15.4, tvOS)	58s
Export xcodebuild test result	14s
	14m 33s

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