Fix example tests #1408

Job	Run time
build_nightly	2m 19s
build_examples	4m 55s
build_benchmarks	1m 49s
Check	1m 43s
Verify that web-sys is compiled correctly	1m 32s
Clippy	3m 2s
dist_linux_aarch64_gnu	4m 25s
dist_linux_x86_64_musl	4m 59s
dist_macos_aarch64	4m 4s
dist_macos_x86_64	3m 42s
dist_windows	5m 9s
doc_api	1m 34s
doc_book	39s
Rustfmt	16s
Build and test the deno example	1m 29s
Run js-sys crate tests	3m 15s
Run native tests	3m 9s
Run wasm-bindgen crate tests with multithreading enabled	1m 57s
Test TypeScript output of wasm-bindgen	2m 20s
Run UI compile-fail tests	4m 29s
Run wasm-bindgen crate tests (unix)	11m 20s
Run web-sys crate tests	6m 7s
Run wasm-bindgen-webidl crate tests	4m 7s
test_examples	2m 17s
deploy	1m 48s
	1h 22m 26s

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