message: Apply suggestions from code review
  Thanks!
diff: @@ -14,7 +14,7 @@ pub fn cargo_test_wasm<I, K, V>(
  path: &Path,
  release: bool,
  envs: I,
  - extra_options: &Vec<String>,
  + extra_options: &[String],
  ) -> Result<(), failure::Error>
  where
  I: IntoIterator<Item = (K, V)>,
  