tests: add a test case to `tclosure` #1683

Job	Run time
Provide additional context for the workflow	1s
Build release binaries (Linux)	7m 3s
Build release binaries (macOS)	6m 55s
Build release binaries (macOS (M1))	3m 16s
Build release binaries (Windows)	12m 12s
Build source archive	2m 49s
Build docs and release artifacts (Linux)	7m 28s
Test the compiler and stdlib (Linux, batch #0)	10m 1s
Build docs and release artifacts (macOS)	9m 3s
Build and test tooling (Linux)	2m 53s
Test the compiler and stdlib (Linux, batch #1)	6m 6s
Build and test tooling (macOS)	3m 39s
Build docs and release artifacts (macOS (M1))	4m 22s
Test the compiler and stdlib (macOS, batch #0)	7m 42s
Build and test tooling (macOS (M1))	2m 29s
Build docs and release artifacts (Windows)	12m 31s
Test the compiler and stdlib (macOS, batch #1)	8m 54s
Build and test tooling (Windows)	3m 41s
Test the compiler and stdlib (macOS (M1), batch #0)	4m 32s
Test the compiler and stdlib (macOS (M1), batch #1)	3m 38s
Test the compiler and stdlib (Windows, batch #0)	10m 0s
Test the compiler and stdlib (Windows, batch #1)	10m 46s
Build release artifacts from source archive (Linux)	10m 43s
Build release artifacts from source archive (macOS)	10m 48s
Build release artifacts from source archive (macOS (M1))	5m 42s
Build release artifacts from source archive (Windows)	18m 17s
Test release artifacts	41s
All check passed	1s
	3h 6m 13s

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