language: node_js
sudo: false
node_js:
  - "4"
  - "5"
  - "6"
  - "7"
  - "8"
  - "10"

language: node_js
sudo: false
node_js:
  - "6"
  - "7"
  - "8"
  - "10"

Remove Node 4 and 5 from test matrix
Remove Node 4 and 5 from test matrix

It seems that newer versions of Jest don't support these older versions
of Node. I'd rather keep Jest updated than run tests on these versions,
so here we are.
