test

Converts to Swift Concurrency #16

Job	Run time
test / Test on macOS	49s
lint / Format linting	11s
test / Test on Linux - swift:5.10-jammy	52s
test / Test on Linux - swift:6.1-jammy	1m 4s
test / Test on Linux - swift:6.0-noble	57s
test / Test on Linux - swift:6.0-jammy	1m 2s
test / Test on Linux - swift:6.1-noble	1m 6s
test / Test on Linux - swift:5.10-noble	59s
test / Test on Android	-1s
	6m 59s

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