MongoDB4.2 on Xenial

.travis.yml

---
language: node_js
os: linux
dist: xenial
node_js:
  - '12'
before_install:
  - wget -qO - https://www.mongodb.org/static/pgp/server-4.2.asc | sudo apt-key add -
  - echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/4.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-4.2.list
  - sudo apt-get update
  - sudo apt-get install -y mongodb-org=4.2.13 mongodb-org-server=4.2.13 mongodb-org-shell=4.2.13 mongodb-org-mongos=4.2.13 mongodb-org-tools=4.2.13
  - sudo systemctl start mongod
  - mongod --version
script: true