eclipse/p2updatesite/category.xml
<?xml version="1.0" encoding="UTF-8"?>
<site>
<feature url="features/WatchDog_3.2.0.jar" id="WatchDog" version="3.2.0">
<category name="TestRoots Tools"/>
</feature>
<feature url="features/WatchDogCore_3.2.0.jar" id="WatchDogCore" version="3.2.0">
<category name="TestRoots Tools"/>
</feature>
<category-def name="TestRoots Tools" label="TestRoots Tools"/>
</site>