Fix servlet metric names (#5734)

* Fix servlet metric names

Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>

* Remove redundant check

* Cover all return paths

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/utils.py b/tests/utils.py

index 8a94ce0b47..99a3deae21 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -471,7 +471,7 @@ class MockHttpResource(HttpServer):
 
         raise KeyError("No event can handle %s" % path)
 
-    def register_paths(self, method, path_patterns, callback):
+    def register_paths(self, method, path_patterns, callback, servlet_name):
         for path_pattern in path_patterns:
             self.callbacks.append((method, path_pattern, callback))