debugging output to track a test failure on build.eclipse.org
diff --git a/testplugins/org.eclipse.objectteams.otdt.ui.tests/src/org/eclipse/objectteams/otdt/ui/tests/hierarchy/contentprovider/OTSubHierarchyContentProviderTests.java b/testplugins/org.eclipse.objectteams.otdt.ui.tests/src/org/eclipse/objectteams/otdt/ui/tests/hierarchy/contentprovider/OTSubHierarchyContentProviderTests.java
index d20ed37..2bf2e09 100644
--- a/testplugins/org.eclipse.objectteams.otdt.ui.tests/src/org/eclipse/objectteams/otdt/ui/tests/hierarchy/contentprovider/OTSubHierarchyContentProviderTests.java
+++ b/testplugins/org.eclipse.objectteams.otdt.ui.tests/src/org/eclipse/objectteams/otdt/ui/tests/hierarchy/contentprovider/OTSubHierarchyContentProviderTests.java
@@ -32,6 +32,7 @@
 import org.eclipse.jdt.internal.ui.typehierarchy.SubTypeHierarchyViewer;
 import org.eclipse.jdt.internal.ui.typehierarchy.TypeHierarchyLifeCycle;
 import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.objectteams.otdt.core.hierarchy.OTTypeHierarchies;
 import org.eclipse.objectteams.otdt.ui.tests.FileBasedUITest;
 
 /**
@@ -112,6 +113,8 @@
     
     public void setUpSuite() throws Exception
     {
+    	OTTypeHierarchies.DEBUG = true;
+    	
         setTestProjectDir(PROJECT_DIR);
         
         super.setUpSuite();
@@ -287,6 +290,12 @@
                     _lifeCycle);
     }
     
+    @Override
+    public void tearDownSuite() throws Exception {
+    	super.tearDownSuite();
+    	OTTypeHierarchies.DEBUG = false;
+    }
+
     public void testHierarchyCreated()
     {
         try