Revert "TEMP: Remove warnings"

This reverts commit 670e0d2.

Author: dandavison

pyproject.toml

@@ -83,9 +83,8 @@ testpaths = ["tests"]
 timeout = 600
 timeout_func_only = true
 filterwarnings = [
-  # TODO(dan): re-enable these
-  # "error::temporalio.workflow.UnfinishedUpdateHandlersWarning",
-  # "error::temporalio.workflow.UnfinishedSignalHandlersWarning",
+  "error::temporalio.workflow.UnfinishedUpdateHandlersWarning",
+  "error::temporalio.workflow.UnfinishedSignalHandlersWarning",
   "ignore::pytest.PytestDeprecationWarning",
   "ignore::DeprecationWarning",
 ]