CHANGED: BuildHistory,Job,NodeLabelParameter: amended shouldHaveBuildOn and shouldInclude methods to return boolean states to be queried with harmcrest matchers according to PR #30 comment 1 by oliverg
ondza
FIXME: at the moment, the success of the test trigger_if_succeeds_with_failed_main_build depends on the random slave names
ADDED: Build: introduced new method shouldBeUnstable to evaluate the result of a build
ADDED: Job: introduced method shouldHaveBuiltOnOneOfNNodes to check whether a job has not been built on more than one node
CHANGED: NodeLabelParameter: changed evaluations of triggerIfResult tests according to this new method