*       <td>Compiled application classes and processed main resources</td>
     *     </tr>
     *     <tr>
     *       <td>{@link ProjectScope#TEST}</td>
     *       <td>{@code build.getTestOutputDirectory()}</td>
     *       <td>{@code target/test-classes}</td>
     *       <td>Compiled test classes and processed test resources</td>
     *     </tr>
     *     <tr>
     *       <td>{@code null} or other</td>

        if (isTestArtifact(artifact)) {
            if (project.hasLifecyclePhase("test-compile")) {
                return new File(project.getBuild().getTestOutputDirectory());
            }
        } else {
            String type = artifact.getProperty("type", "");
            File outputDirectory = new File(project.getBuild().getOutputDirectory());

                val = interpolate(org);
                if (org != val) {
                    build.setOutputDirectory(val);
                }
                // TestOutputDirectory
                org = build.getTestOutputDirectory();
                val = interpolate(org);
                if (org != val) {
                    build.setTestOutputDirectory(val);
                }
                // Extensions