language: node_js
node_js:
    - "4"
    - "5"

cache:
    directories:
        node_modules

language: node_js
node_js:
    - "4"
    - "4.3" # version used by AWS Lambda
    - "5"
    - "6"

cache:
    directories:
        node_modules

Add node version to tests
Add node version to tests
