in getTestClasspathElements() we have:
List list = new ArrayList( getArtifacts().size() + 1 );
list.add( getBuild().getOutputDirectory() );
list.add( getBuild().getTestOutputDirectory() );
- causing classes to be prior to test-classes in the classpath- something then prohibits test-resources/classes to shadow classes/ resources fom main. .I.e. it is not possible to redefine resources/classes for usage when running tests.
Sugested solution:
List list = new ArrayList( getArtifacts().size() + 1 );
list.add( getBuild().getTestOutputDirectory() );
list.add( getBuild().getOutputDirectory() );
add test-classes before classes