groovy/groovy-core — pull request #31 by andresteingress (2012-02-23 13:47:37+00:00)
Title: added failure if catched exception does not have a cause in shouldFailWi...

...thCause

as discussed in the mailing list:

http://groovy.329449.n5.nabble.com/Question-regarding-GroovyTestCase-shouldFailWithCause-tt5507648.html

adds a more concrete AssertionFailed message when an exception occurs with an empty cause.