Updated travis config.

.travis.yml

@@ -1,14 +1,11 @@
-{
+language: node_js
-   'dist': 'trusty',
+node_js: '8.7.0'
-   'language': 'node_js',
+git:
-   'node_js': '8.7.0',
+   submodules: false
-   'cache': 'yarn',
+script:
-   'scripts': [
+   yarn test
-      'npm run test'
+before_install:
-   ],
+   - cd seasoned_api
-   'before_install': [
+before_script: yarn
-      'cd seasoned_api',
+cache: false
-   ],
+os: linux
-   'before_script': 'yarn',
-   'os': 'linux',
-}