improved tests

tests/tests.py

@@ -155,10 +155,19 @@ class RequestResult(object):
 # test plugin_utilities:
 print(besapi.plugin_utilities.get_invoke_folder())
 print(besapi.plugin_utilities.get_invoke_file_name())
-# the following doesn't seem to work in python 3.7:
-logging_config = besapi.plugin_utilities.get_plugin_logging_config()
+
 parser = besapi.plugin_utilities.setup_plugin_argparse(plugin_args_required=False)
 # allow unknown args to be parsed instead of throwing an error:
 args, _unknown = parser.parse_known_args()
 
+# test logging plugin_utilities:
+import logging
+
+logging_config = besapi.plugin_utilities.get_plugin_logging_config("./tests.log")
+logging.basicConfig(**logging_config)
+
+logging.warning("Just testing to see if logging is working!")
+
+assert os.path.isfile("./tests.log")
+
 sys.exit(0)