Map type radio used old way of defining that its value should not be used in add command. Recent patch related to 'enable' attribute hardened/fixed the behavior of radio widgets so they are disabled in UI as well when enabled==false. Automount did not reflect this change.
https://fedorahosted.org/freeipa/ticket/3954
Tests modified to comply with PEP8 rules with exception of rule E501 (long lines).
Done by autopep8 tool and 2 manual modifications.
https://fedorahosted.org/freeipa/ticket/3744
