Update .travis.yml

.travis.yml

@@ -1,4 +1,3 @@
-if: (type = pull_request AND branch IN (develop)) 
 os:
   - linux
 language: node_js
@@ -7,5 +6,14 @@ node_js:
 install:
   - npm install -g @angular/cli
   - cd ./wowup-electron && npm install
-script:
-  - ng lint
+
+jobs:
+  include:
+    - stage: test
+      if: os = linux
+      script:
+        - ng lint
+    - stage: build
+      if: os = linux AND type = pull_request AND branch IN (develop) 
+      script:
+        - ng test --watch=false --include='src/locales.spec.ts'