[ScalaTest 3.1](http://www.scalatest.org/release_notes/3.1.0) deprecated structure produces large number of compilation warnings. May be possible rewrite automatically with autofix: https://github.com/scalatest/autofix/tree/master/3.1.x
ScalaTest 3.1 deprecated structure produces large number of compilation warnings.
May be possible rewrite automatically with autofix: https://github.com/scalatest/autofix/tree/master/3.1.x