Revert ":construction_worker: Disable `solaris-test`, `OpenBSD-test` … #4807

Job	Run time
wasi test (wasm32-wasi, ghcr.io/portable-network-archive/wasi-sdk-gh-actions:wasi-sdk-24)	1m 50s
Test WebAssembly (stable, wasm32-unknown-emscripten)	2m 57s
wasi test (wasm32-wasi)	1m 3s
Test WebAssembly (stable, wasm32-unknown-unknown)	1m 4s
wasi test (wasm32-wasip1, ghcr.io/portable-network-archive/wasi-sdk-gh-actions:wasi-sdk-24)	1m 42s
Test WebAssembly (stable, wasm32-wasi)	1m 45s
Test WebAssembly (stable, wasm32-wasip1)	1m 56s
Test WebAssembly (beta, wasm32-unknown-emscripten)	2m 51s
Test WebAssembly (beta, wasm32-unknown-unknown)	1m 4s
Test WebAssembly (beta, wasm32-wasi)	1m 53s
Test WebAssembly (beta, wasm32-wasip1)	1m 53s
Test WebAssembly (nightly, wasm32-unknown-emscripten)	2m 55s
Test WebAssembly (nightly, wasm32-unknown-unknown)	1m 8s
Test WebAssembly (nightly, wasm32-wasi)	1m 49s
Test WebAssembly (nightly, wasm32-wasip1)	1m 38s
	27m 28s

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