Bug 115630 [Markers] New markerSupport features are not dynamic
M3 We need to add suites and test the the category support is dynamic.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/markers/internal/MarkerSupportRegistry.java
rootType = (new MarkerTypesModel()).getType(IMarker.PROBLEM);
		}
		return rootType;
	}
	/**
	 * Find the best match sorter for typeName in the children. If it cannot be found then
	 * return <code>null</code>.
	 * 
	 * @param typeName
	 * @param type
	 * @return TableSorter or <code>null</code>.
	 */
	private TableSorter findSorterInChildren(String typeName, MarkerType type) {
		MarkerType[] types = type.getAllSubTypes();
		TableSorter defaultSorter = null;
		if (hierarchyOrders.containsKey(type.getId()))
			defaultSorter = (TableSorter) hierarchyOrders.get(type.getId());
		
		for (int i = 0; i < types.length; i++) {
			MarkerType[] subtypes = types[i].getAllSubTypes();
			for (int j = 0; j < subtypes.length; j++) {
				TableSorter sorter = findSorterInChildren(typeName, subtypes[j]);
				if (sorter != null)
					return sorter;
			}
		}
		return defaultSorter;
	}
}