[16] Document how to get coverage information in README

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Joseph Yiasemides 2018-05-15 15:13:36 +02:00
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@ -37,3 +37,8 @@ mix test
mix credo
mix dialyzer
```
## Coverage
To get an HTML coverage report on your own machine try `env MIX_ENV=test mix coveralls.html` then open `cover/excoveralls.html`.
You can get a simple print-out with `env MIX_ENV=test mix coveralls`.