Fix `wasm_bindgen_test(unsupported = test)` #2546

Job	Run time
Rustfmt	10s
Check	1m 8s
build_benchmarks	54s
build_nightly	1m 32s
build_examples	4m 2s
Verify that web-sys is compiled correctly	45s
Clippy	2m 43s
Clippy (project)	2m 42s
Clippy (web-sys)	2m 31s
dist_linux_aarch64_gnu	2m 49s
dist_linux_x86_64_musl	2m 31s
dist_macos_aarch64	1m 16s
dist_macos_x86_64	1m 37s
dist_windows	3m 18s
doc_api	1m 17s
doc_book	6s
Taplo	11s
Build and test the deno example	48s
Run native tests	2m 14s
Run wasm-bindgen crate tests with multithreading	1m 28s
Run UI compile-fail tests	47s
Run wasm-bindgen crate tests with externref feature	1m 38s
Run wasm-bindgen crate tests (wasm-bindgen)	1m 49s
Run wasm-bindgen wasm test	1m 8s
Run wasm-bindgen crate tests with multi-value feature	1m 29s
Run web-sys tests (with geckodriver)	23s
Run wasm-bindgen crate tests (wasm-bindgen (serde-serialize))	3m 19s
Run web-sys (all features) tests (with geckodriver)	2m 44s
Run wasm-bindgen crate tests (wasm-bindgen (enable-interning))	1m 16s
Run web-sys (unstable, all features) tests (with geckodriver)	2m 59s
Check MSRV for CLI tools	31s
Run js-sys tests (with geckodriver)	1m 37s
Check MSRV for libraries	1m 17s
Run js-sys (unstable) tests (with geckodriver)	1m 33s
Run wasm-bindgen-webidl tests (with geckodriver)	27s
Run webidl-tests tests (with geckodriver)	1m 15s
Run webidl-tests (unstable) tests (with geckodriver)	1m 7s
Run typescript-tests tests (with geckodriver)	1m 20s
test_nightly	37s
test_examples	1m 36s
deploy	29s
	1h 3m 23s

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