title: Intellij: Run crossProject test (Scala / Scala.js) does not work
body: <p>I have a Scala / Scala.js Crossproject. (<a href="https://github.com/pme123/scala-adapters-wizard" rel="nofollow noreferrer">scala-adapters-wizard</a>)</p>
  
  <p>I cannot run my 'shared' Scala Tests in Intellij. </p>
  
  <p>If I open the Configuration, I can select the Module (sharedJVM).</p>
  
  <p>But this gives the following exception:
  <a href="https://i.stack.imgur.com/k6zL9.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/k6zL9.png" alt="enter image description here"></a></p>
  
  <p>The test classes are in <code>/shared/.jvm/target/scala-2.12/test-classes</code>.</p>