assertEquals("org.apache.maven.plugins", pd.getGroupId());
        assertEquals("maven-jar-plugin", pd.getArtifactId());
        assertEquals("2.3-SNAPSHOT", pd.getVersion());
        assertEquals("jar", pd.getGoalPrefix());
        assertEquals("plugin-description", pd.getDescription());
        assertFalse(pd.isIsolatedRealm(), "Expected " + pd + ".isIsolatedRealm() to return false");

        MojoDescriptor mojo = getMojoDescriptor();

        messageBuffer
                .append("One or more required plugin parameters are invalid/missing for '")
                .append(mojo.getPluginDescriptor().getGoalPrefix())
                .append(':')
                .append(mojo.getGoal())
                .append("'")
                .append(LS);

        int idx = 0;