ci: add travis test

.pullapprove.yml

@@ -0,0 +1,12 @@
+version: 2
+groups:
+  code-review:
+    approve_by_comment:
+      approve_regex: ^Approved
+      enabled: true
+      reject_regex: ^Rejected
+    required: 1
+    reset_on_push:
+      enabled: false
+    users:
+    - Sibiraj-S

.travis.yml

@@ -0,0 +1,21 @@
+language: node_js
+node_js:
+  - 7.10.0
+
+branches:
+  only:
+  - master
+
+addons:
+  firefox: "latest"
+
+before_install:
+  - yarn global add @angular/cli
+
+before_script:
+  - export DISPLAY=:99.0
+  - sh -e /etc/init.d/xvfb start
+  - yarn install
+
+script:
+  - yarn run travis-test

package.json

@@ -11,6 +11,7 @@
     "e2e": "ng e2e",
     "docs": "ng build --prod --output-path docs --base-href ngx-editor",
     "build": "ng build --prod && sh scripts/build.sh",
+    "travis-test": "ng test --watch false",
     "precommit": "ng test --watch false && yarn run build",
     "cz": "git-cz"
   },