code: package com.quui;
  
  import java.io.File;
  import java.net.URI;
  
  import org.apache.commons.io.FileUtils;
  import org.junit.BeforeClass;
  import org.junit.runner.RunWith;
  import org.junit.runners.Suite;
  
  import com.quui.tm2.AnnotationTest;
  import com.quui.tm2.ValidationTest;
  import com.quui.tm2.doc.AgentInfoTest;
  import com.quui.tm2.util.Preferences;
  import com.quui.tm2.util.Preferences.Default;
  import com.quui.tm2.util.PreferencesTests;
  
  /**
   * A suite to run all short running tests.
   * 
   * @author fsteeg
   */
  @RunWith(Suite.class)
  @Suite.SuiteClasses({ AnnotationTest.class, ValidationTest.class,
  		PreferencesTests.class, AgentInfoTest.class })
  /**/
  public class Tm2Suite {
  	@BeforeClass
  	public static void before() {
  		cleanup();
  	}
  
  	private static void cleanup() {
  		URI rootUri = URI.create(Preferences.get(Default.ROOT));
  		System.out.println("Using root URI: " + rootUri);
  		File root = new File(rootUri);
  		if (!root.exists())
  			root.mkdir();
  		if (root.exists() && root.listFiles() != null
  				&& root.listFiles().length > 0) {
  			for (File f : root.listFiles()) {
  				if (!f.isHidden()) {
  					boolean delete = FileUtils.deleteQuietly(f);
  					if (!delete && f.exists()) {
  						throw new IllegalStateException("Could not delete: "
  								+ f);
  					}
  				}
  			}
  		}
  
  	}
  }
  