Refactor test runner #689

Job	Run time
Build Assemblyscript tests (macos-latest)	24s
Build Rust tests (macos-latest)	1m 16s
Build C tests (windows-11-arm)	1m 4s
Build Rust tests (ubuntu-latest)	59s
Build C tests (ubuntu-latest)	12s
Build Assemblyscript tests (windows-latest)	21s
Build C tests (windows-latest)	41s
Build Assemblyscript tests (ubuntu-latest)	18s
Build Rust tests (windows-11-arm)	1m 5s
Build Rust tests (windows-latest)	51s
Build Assemblyscript tests (windows-11-arm)	22s
Build C tests (macos-latest)	12s
Run tests (windows-11-arm, wasmtime)	1m 3s
Run tests (ubuntu-latest, wasmtime)	31s
Run tests (macos-latest, wasmtime)	32s
Run tests (windows-latest, wasmtime)	51s
upload_test_binaries	0s
	10m 42s

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