language: node_js
node_js:
- "4.3"
- "5.6"
env:
  - CXX=g++-5
  - CC=gcc-5
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - gcc-5
    - g++-5

language: node_js
node_js:
- "4.3"
- "5.6"
addons:
  apt:
    sources:
    - ubuntu-toolchain-r-test
    packages:
    - gcc-5
    - g++-5
install:
  - CC=gcc-5 CXX=g++-5 npm install

Define install command for tests
Define install command for tests
