Generalise WASM tests

Remove two exceptions/special cases

Author: dhardy

.travis.yml

@@ -149,7 +149,7 @@ matrix:
         #- cargo web test --nodejs --target wasm32-unknown-emscripten
         #- cargo build --target wasm32-unknown-unknown # without any features
         - cargo build --target wasm32-unknown-unknown --features=wasm-bindgen
-        - cd rand_os && cargo web test --target wasm32-unknown-unknown --features=stdweb
+        - cargo web test --target wasm32-unknown-unknown --features=stdweb
 
     - rust: nightly
       env: DESCRIPTION="cross-platform builder (doesn't run tests)"

src/rngs/thread.rs

@@ -132,7 +132,6 @@ impl CryptoRng for ThreadRng {}
 #[cfg(test)]
 mod test {
     #[test]
-    #[cfg(not(feature="stdweb"))]
     fn test_thread_rng() {
         use Rng;
         let mut r = ::thread_rng();