private void setOptions(Project project, Folder testFolder) {
   ConfigurationDescriptorProvider cdp =
       project.getLookup().lookup(ConfigurationDescriptorProvider.class);
   MakeConfigurationDescriptor projectDescriptor = cdp.getConfigurationDescriptor();
   FolderConfiguration folderConfiguration =
       testFolder.getFolderConfiguration(projectDescriptor.getActiveConfiguration());
   LinkerConfiguration linkerConfiguration = folderConfiguration.getLinkerConfiguration();
   linkerConfiguration.getOutput().setValue("${TESTDIR}/" + testFolder.getPath()); // NOI18N
   CCompilerConfiguration cCompilerConfiguration = folderConfiguration.getCCompilerConfiguration();
   CCCompilerConfiguration ccCompilerConfiguration =
       folderConfiguration.getCCCompilerConfiguration();
   cCompilerConfiguration.getIncludeDirectories().add("."); // NOI18N
   ccCompilerConfiguration.getIncludeDirectories().add("."); // NOI18N
 }