update travis config

Author: hirsch88

.travis.yml

@@ -1,12 +1,16 @@
 language: node_js
 node_js:
-  - "8.2.1"
+    - "8.9.4"
 install:
-  - yarn install
+    - yarn install
+env:
+    - DB_TYPE="sqlite"
+    - DB_DATABASE="./mydb.sql"
+    - DB_LOGGING=false
 scripts:
-  - npm test
-  - npm start test.integration
-  - npm start test.e2e
-  - npm start build
+    - npm test
+    - npm start test.integration
+    - npm start test.e2e
+    - npm start build
 notifications:
-  email: false
+    email: false