dumping templates tree on fail

java/idea-ui/src/com/intellij/ide/util/newProjectWizard/SelectTemplateStep.java

@@ -712,4 +712,15 @@ public class SelectTemplateStep extends ModuleWizardStep implements SettingsStep
   public ModuleWizardStep getSettingsStep() {
     return mySettingsStep;
   }
+
+  @TestOnly
+  public void dumpTree() {
+    myTemplatesTree.accept(myTreeBuilder, new SimpleNodeVisitor() {
+      @Override
+      public boolean accept(SimpleNode simpleNode) {
+        System.out.println(simpleNode.getName());
+        return false;
+      }
+    });
+  }
 }