Always build all tests as a "reactor" #3415

Job	Run time
Test Async (allowed to fail)	1m 49s
Build wit-bindgen (x86_64-linux, ubuntu-latest)	2m 36s
Build wit-bindgen (aarch64-macos, macos-latest, aarch64-apple-darwin)	3m 39s
Build wit-bindgen (x86_64-macos, macos-latest, x86_64-apple-darwin)	2m 34s
Test (ubuntu-latest, c)	2m 4s
Crate Unit Tests	2m 26s
Test (ubuntu-latest, csharp)	10m 54s
Build wit-bindgen (aarch64-linux, ubuntu-latest, aarch64-unknown-linux-gnu)	2m 51s
Check	2m 28s
Test (macos-latest, c)	3m 23s
Test (macos-latest, rust)	3m 13s
Rustfmt	9s
Test (ubuntu-latest, rust)	2m 57s
Build wit-bindgen (x86_64-windows, windows-latest)	5m 35s
Test (windows-latest, rust)	5m 40s
Test (windows-latest, cpp)	5m 36s
Test (macos-latest, cpp)	3m 20s
verify-publish	2m 39s
Test (windows-latest, csharp)	14m 48s
Test (ubuntu-latest, cpp)	3m 9s
Test (windows-latest, c)	4m 28s
Record the result of testing and building steps	4s
	1h 26m 22s

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