Updated to use scala-js 1.7.0.
Updated to use scala-js 1.7.0.

cheeseng/scalatest,dotty-staging/scalatest,dotty-staging/scalatest,cheeseng/scalatest,scalatest/scalatest,cheeseng/scalatest,scalatest/scalatest,dotty-staging/scalatest,scalatest/scalatest