DatatypeGenerator: Also build types which have 'Test' in Name

Fixes #2398

tools/generate_datatypes.py

@@ -328,8 +328,6 @@ def parseTypeDefinitions(outname, xmlDescription, namespace):
     def skipType(name):
         if name in excluded_types:
             return True
-        if "Test" in name: # skip all test types
-            return True
         if re.search("NodeId$", name) != None:
             return True
         return False