Skip unrequired evaluation rounds in functional tests.

test/functional/test_toy_clf_fairness.py

@@ -147,6 +147,7 @@ async def server_routine(
         rounds=5,
         register={"min_clients": n_clients, "timeout": 2},
         training={"n_epoch": 1, "batch_size": 10},
+        evaluate={"frequency": 5},  # only evaluate the last model
         fairness={"batch_size": 50},
     )
     with warnings.catch_warnings():

test/functional/test_toy_clf_secagg.py

@@ -143,9 +143,10 @@ async def async_run_server(
     )
     # Set up hyper-parameters and run training.
     config = FLRunConfig.from_params(
-        rounds=10,
+        rounds=8,
         register={"min_clients": n_clients, "timeout": 2},
         training={"n_epoch": 1, "batch_size": 1, "drop_remainder": False},
+        evaluate={"frequency": 8},  # only evaluate the last model
     )
     await server.async_run(config)
 

test/functional/test_toy_reg.py

@@ -411,6 +411,7 @@ async def async_run_server(
             "batch_size": b_size,
             "drop_remainder": False,
         },
+        evaluate={"frequency": 10},  # only evaluate the last model
     )
     await server.async_run(config)