Use cargo test --all on Travis

Author: SimonSapin

.travis.yml

@@ -1,19 +1,15 @@
 language: rust
-script: make test
+script: cargo test --all --all-features $CARGOFLAGS
 
 jobs:
   include:
-  - rust: nightly
-  - rust: beta
-  - rust: stable
   - rust: 1.17.0
+  - rust: stable
+  - rust: beta
+  - rust: nightly
   - rust: nightly
-    env:
-    - WASM32=true  # just to show it in travis UI
-    install:
-    - rustup target add wasm32-unknown-unknown
-    script:
-    - cargo build --target=wasm32-unknown-unknown
+    env: CARGOFLAGS=--target=wasm32-unknown-unknown
+    install: rustup target add wasm32-unknown-unknown
 
 notifications:
   webhooks: http://build.servo.org:54856/travis