Give up on wasm32 tests for now.

.github/workflows/rust.yml

@@ -51,6 +51,7 @@ jobs:
       - name: Run tests
         run: cargo test --locked --all-targets --verbose
 
+  # TODO: Support running tests for wasm targets.
   build-and-test-wasm:
     runs-on: ubuntu-22.04
     steps:
@@ -59,7 +60,9 @@ jobs:
         run: cargo --version
       - name: Report rustc version
         run: rustc --version
+      - name: Install wasm target
+        run: rustup target add wasm32-unknown-unknown
       - name: Build
         run: cargo build --locked --target wasm32-unknown-unknown --verbose
-      - name: Run tests
-        run: cargo test --locked --target wasm32-unknown-unknown --verbose
+      # - name: Run tests
+      #   run: cargo test --locked --target wasm32-unknown-unknown --verbose

src/lib.rs

@@ -60,6 +60,7 @@ pub fn env_home_dir() -> Option<std::path::PathBuf> {
     None
 }
 
+#[cfg(any(unix, windows))]
 #[cfg(test)]
 mod tests {
     use super::env_home_dir;
@@ -82,7 +83,6 @@ mod tests {
     */
 
     #[test]
-    #[cfg(any(unix, windows))]
     fn env_home_test() {
         let home_var = if cfg!(windows) { "USERPROFILE" } else { "HOME" };
         let old = std::env::var(home_var).unwrap();