title: Espresso tests with Kotlin
body: <p>Every time I try to test my Android app and I rewrite my tests in Kotlin I always get:</p>
  
  <blockquote>
    <p>Class not found: "my.package.modules.container.ContainerViewInstrumentedTest"<br>
    Empty test suite.</p>
  </blockquote>
  
  <p>I am trying everything to make Espresso see my tests... but no luck. Does anyone know what can be wrong?</p>