diff --git a/tools/test.py b/tools/test.py
index 8ba5ef6aafa635..d45b4f0de94275 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -817,6 +817,10 @@ def GetConfiguration(self, context):
       (file, pathname, description) = imp.find_module('testcfg', [ self.path ])
       module = imp.load_module('testcfg', file, pathname, description)
       self.config = module.GetConfiguration(context, self.path)
+      if hasattr(self.config, 'additional_flags'):
+        self.config.additional_flags += context.node_args
+      else:
+        self.config.additional_flags = context.node_args
     finally:
       if file:
         file.close()