Adding resources and [commented out] new test method to apply scm inheritance checks to POMs read from a local repository...this is currently broken, as noted in MavenProject, line 291 or thereabouts, which is why the test is commented out.
maven/components/trunk/maven-project/src/test/java/org/apache/maven/project/AbstractMavenProjectTestCase.java
maven/components/trunk/maven-project/src/test/resources/inheritance-repo/t12scm/maven/