fix compilation of wasm32 test and skip to run wasm32 tests

tests/scryer/main.rs

@@ -13,6 +13,7 @@ mod src_tests;
 /// to re-generate all reference output files run `TRYCMD=overwrite cargo test -- cli_test`
 /// then check that the changes are as expected e.g. by looking at the `git diff`
 #[test]
+#[cfg(not(all(target_arch = "wasm32", target_os = "unknown")))]
 #[cfg_attr(miri, ignore = "blocked on crossbeam UB")]
 fn cli_tests() {
     trycmd::TestCases::new()