TMSS-139: repair 3rd party logging errors

SAS/TMSS/test/ldap_test_service.py

@@ -2,14 +2,17 @@ import os
 import logging
 logger = logging.getLogger(__name__)
 
+logging_already_configured = len(logging.root.handlers)>0
+
 from ldap_test import LdapServer
 
-# the 3rd party ldap_test module erroneously does a logging.basicConfig upon module import...
-# logging.basicConfig should only happen in 'main'-like functions.
-# so, undo the basicConfig by removing the root handlers.
-# See: https://docs.python.org/3/library/logging.html#logging.basicConfig
-for h in logging.root.handlers:
-    logging.root.removeHandler(h)
+if not logging_already_configured:
+    # the 3rd party ldap_test module erroneously does a logging.basicConfig upon module import...
+    # logging.basicConfig should only happen in 'main'-like functions.
+    # so, undo the basicConfig by removing the root handlers.
+    # See: https://docs.python.org/3/library/logging.html#logging.basicConfig
+    for h in logging.root.handlers:
+        logging.root.removeHandler(h)
 
 from optparse import OptionParser