💚 Add mac

.travis.yml

@@ -1,24 +1,26 @@
-dist: xenial
-sudo: false
-
 language: node_js
 
 node_js:
   - "10.13.0"
 
 
+matrix:
+  include:
+  - name: "Linux"
+    os: linux
+    dist: xenial
+    sudo: false
+  - name: "MacOS"
+    os: osx
+
+
 before_install:
   - npm conf set strict-ssl false
   - npm install -g npm@6.4.1
 
 
-install:
-  - cd test
-  - npm i
-  - cd ..
-
-
 script:
   - cd test
+  - npm i
   - npm test
   - cd ..