TST: skip send_mail test

.docker/pycaosdb.ini

@@ -14,6 +14,3 @@ ssl_insecure=True
 timeout=500
 [Container]
 debug=0
-
-[Misc]
-sendmail=/usr/local/bin/sendmail_to_file

.gitlab-ci.yml

@@ -115,5 +115,4 @@ unittest:
   stage: unittest
   image: $CI_REGISTRY_IMAGE
   script:
-      - cp .docker/pycaosdb.ini .
       - tox

unittests/test_sss_helper.py

 from os.path import abspath, dirname, join, isfile, exists
 from os import listdir, remove
 from email import message_from_file, policy
-from caosdb import configure_connection, RecordType
+from pytest import mark
+from caosdb import configure_connection, RecordType, get_config
 from caosdb.connection.mockup import (MockUpServerConnection, MockUpResponse)
 from caosadvancedtools.serverside.helper import (parse_arguments, get_data,
                                                  init_data_model, send_mail)
@@ -60,6 +61,9 @@ def test_init_data_model():
     assert rt.id == 1234
 
 
+@mark.skipif("Misc" not in get_config() or
+             "sendmail" not in get_config()["Misc"],
+             reason="sendmail client not defined")
 def test_send_mail():
     assert len(get_tmp_mails()) == 0
     send_mail("me@example.com", "you@example.com", "the subject", "hello!")