Clean up & add unit tests

Developing a set of python unit tests to have a good coverage of all the DaVinci configuration scripts. As natural consequence, a clean up of the codes is also performed removing typos and simplifying the code when needed.

Addresses: https://gitlab.cern.ch/lhcb-dpa/project/-/issues/179, https://gitlab.cern.ch/lhcb-dpa/project/-/issues/180

Phys/DaVinci/tests/config/test_configOptions.py

@@ -12,9 +12,9 @@
 import pytest
 
 from DaVinci.optionChecker import DVOptionError, DVRuntimeError
-from DaVinci.configOptions import (
-    list_data_options, set_option_value, set_input_file_options, 
-    set_job_options, check_options, is_option_settable)
+from DaVinci.configOptions import (list_data_options, set_option_value,
+                                   set_input_file_options, set_job_options,
+                                   check_options, is_option_settable)
 from DaVinci import options