fix/ travis ci conf

Author: Maxime GRIS

.travis.yml

@@ -1,12 +1,12 @@
 os:
   - linux
   - osx
+  - windows
+jobs:
+  fast_finish: true
 language: node_js
 node_js:
-  - '12'
-  - '10'
-dist: xenial
-sudo: required
+  - 'lts/*'
 services:
   - xvfb
 before_script:
@@ -16,6 +16,6 @@ install:
   - npm install
 script:
   - ng lint
-  - npm run test
-  - npm run e2e
+  - if [ "$TRAVIS_OS_NAME" != "windows" ]; then npm run test ; fi
+  - if [ "$TRAVIS_OS_NAME" != "windows" ]; then npm run e2e ; fi
   - npm run build