add mongodb's cert
@@ -55,6 +55,7 @@ env:
before_script:
+ - wget -qO - https://www.mongodb.org/static/pgp/server${MONGODB}.asc | sudo apt-key add -
- echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/${MONGODB} multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-${MONGODB}.list
- sudo apt-get update
- sudo apt-get install -y mongodb-org
