test-jar classifier fails in multi-module projects

    @SuppressWarnings( "unchecked" )
    private List<File> downloadBundles( List<String> bundles )
        throws MojoExecutionException
    {
        List<File> bundleArtifacts = new ArrayList<File>();

        try
        {
            for ( String artifactDescriptor : bundles )
            {
                // groupId:artifactId:version[:type[:classifier]]
                String[] s = artifactDescriptor.split( ":" );

                File artifactFile = null;
                //check if the artifact is part of the reactor
                if ( mavenSession != null )
                {
                    List<MavenProject> list = mavenSession.getSortedProjects();
                    for ( MavenProject p : list )
                    {
                        if ( s[0].equals( p.getGroupId() ) && s[1].equals( p.getArtifactId() ) && s[2].equals(
                            p.getVersion() ) )
                        {
                            // FIXME Needs to depend on classifier
                            // Should be like:
                            // if("test-jar".equals(type))
                            //{
                            //   artifactFile = new File( p.getBuild().testOutputDirectory());
                            // }
                            // else
                            // {
                                   artifactFile = new File( p.getBuild().getOutputDirectory() );
                            // }
                        }
                    }
                }
                if ( artifactFile == null || !artifactFile.exists() )
                {
                    String type = ( s.length >= 4 ? s[3] : "jar" );
                    String classifier = ( s.length == 5 ? s[4] : null );
                    Artifact artifact =
                        artifactFactory.createDependencyArtifact( s[0], s[1], VersionRange.createFromVersion( s[2] ),
                                                                  type, classifier, Artifact.SCOPE_RUNTIME );

                    artifactResolver.resolve( artifact, remoteArtifactRepositories, localRepository );

                    artifactFile = artifact.getFile();
                }
                bundleArtifacts.add( artifactFile );
            }
        }
        catch ( ArtifactResolutionException e )
        {
            throw new MojoExecutionException( "Error downloading resources archive.", e );
        }
        catch ( ArtifactNotFoundException e )
        {
            throw new MojoExecutionException( "Resources archive cannot be found.", e );
        }

        return bundleArtifacts;
    }