Example project for Medium articles
https://android.jlelse.eu/complete-example-of-testing-mvp-architecture-with-kotlin-and-rxjava-part-1-816e22e71ff4 https://android.jlelse.eu/complete-example-of-testing-mvp-architecture-with-kotlin-and-rxjava-part-2-ca150c688ab1 https://android.jlelse.eu/complete-example-of-testing-mvp-architecture-with-kotlin-and-rxjava-part-3-df4cf3838581