Fix a test failing because of a more specific exception.

Author: rwb27

tests/test_thing_dependencies.py

@@ -152,7 +152,7 @@ def action_four(self, thing_two: ThingTwoDepNoActions) -> str:
         def action_five(self, thing_two: ThingTwoDep) -> str:
             return thing_two.action_two()
 
-    with pytest.raises(ValueError):
+    with pytest.raises(lt.client.in_server.DependencyNameClashError):
         lt.deps.direct_thing_client_dependency(ThingFour, "/thing_four/")