ability_spec.rb: additional refactoring.
ability_spec.rb: additional refactoring.

travis-repos/loomio,rafacouto/loomio-bak,rafacouto/loomio-bak,podemos-info/loomio,travis-repos/loomio,podemos-info/loomio,podemos-info/loomio,rafacouto/loomio-bak