Test fail on 0.18

Hi

I have 0.18 checked out locally. When I run "gradlew test" the test
org.elasticsearch.groovy.test.client.DifferentApiExecutionTests.verifyDifferentApiExecutions()
fails

See this testng-results.xml: https://gist.github.com/1345141. Anyone
able to help me with an explanation?

Regards, Per Steffensen