Avoid use of default classpath in PipelineMainTest
Avoid use of default classpath in PipelineMainTest

That slowed the test down by having the pickle extractor
strip all classfiles under the root folder (!).

martijnhoekstra/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,scala/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,lrytz/scala,martijnhoekstra/scala,scala/scala,martijnhoekstra/scala,lrytz/scala,scala/scala,martijnhoekstra/scala,scala/scala