Add logging of process ID in evaluation tests (#37)

- Enhanced the `evaluation_test` function to log the process ID using `default_logger`, improving traceability of evaluation processes during testing.

Author: Dylan Huang

eval_protocol/pytest/evaluation_test.py

@@ -244,6 +244,7 @@ def wrapper_body(**kwargs):
                         # has to be done in the pytest main process since it's
                         # used to determine whether this eval has stopped
                         row.pid = os.getpid()
+                        default_logger.log(row)
 
                     # Now run the rollout processor with metadata-initialized data
                     config = RolloutProcessorConfig(