ems_common: address some Rubocop issues. (transferred from ManageIQ/manageiq@7e1f3ab37cab6646e3acd8797d3b818eb05c1360)
ems_common: address some Rubocop issues.
(transferred from ManageIQ/manageiq@7e1f3ab37cab6646e3acd8797d3b818eb05c1360)

ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic,ManageIQ/manageiq-ui-classic