test: pass through kwargs from uffd_handler() to get_example()

To allow specifying a different directory in which to look for the uffd
example binaries, so that they can be used in A/B-tests.

Signed-off-by: Patrick Roy <[email protected]>

Author: roypat

tests/framework/utils_uffd.py

@@ -93,6 +93,6 @@ def spawn_pf_handler(vm, handler_path, mem_path):
     return uffd_handler
 
 
-def uffd_handler(handler_name):
+def uffd_handler(handler_name, **kwargs):
     """Retrieves the uffd handler with the given name"""
-    return cargo_build.get_example(f"uffd_{handler_name}_handler")
+    return cargo_build.get_example(f"uffd_{handler_name}_handler", **kwargs)