This is a test set for MNG-2045:
Simple IT test invoking maven in a reactor with 2 projects --
first project produces a test-jar, which is required to
compile second project.
This is a test set for MNG-3428:
it tests that the PluginDescriptor.getArtifacts() call returns all of the dependencies of the plugin,
not just those that made it past the filter excluding Maven's core artifacts.
This is a test set for MNG-3684:
Verify that the Build instance injected as a plugin parameter contains
interpolated values for things like the various build paths, etc.