$ scala -cp junit3.8.2/junit.jar:../target/jar_contents 
 Welcome to Scala version 2.7.5.final (Java HotSpot(TM) Client VM, Java 1.5.0_16).
 Type in expressions to have them evaluated.
 Type :help for more information.

 scala> import org.scalatest.junit.AssertionsForJUnit._
 import org.scalatest.junit.AssertionsForJUnit._

 scala> assert(1 === 2)
 junit.framework.AssertionFailedError: 1 did not equal 2
 	at org.scalatest.junit.AssertionsForJUnit$class.assert(AssertionsForJUnit.scala:353)
 	at org.scalatest.junit.AssertionsForJUnit$.assert(AssertionsForJUnit.scala:672)
 	at .(:7)
 	at .()
 	at RequestResult$.(:3)
 	at RequestResult$.()
 	at RequestResult$result( expect(3) { 1 + 3 }
 junit.framework.AssertionFailedError: Expected 3, but got 4
 	at org.scalatest.junit.AssertionsForJUnit$class.expect(AssertionsForJUnit.scala:563)
 	at org.scalatest.junit.AssertionsForJUnit$.expect(AssertionsForJUnit.scala:672)
 	at .(:7)
 	at .()
 	at RequestResult$.(:3)
 	at RequestResult$.()
 	at RequestResult$result( val caught = intercept[StringIndexOutOfBoundsException] { "hi".charAt(-1) }
 caught: StringIndexOutOfBoundsException = java.lang.StringIndexOutOfBoundsException: String index out of range: -1