Rename method to match other Rails version methods

spec/shoulda/matchers/action_controller/strong_parameters_matcher_spec.rb

@@ -261,7 +261,7 @@ describe Shoulda::Matchers::ActionController::StrongParametersMatcher do
     end
 
     context 'when given :update' do
-      if rails_gte_41?
+      if rails_gte_4_1?
         it 'PATCHes to the controller' do
           controller = ActionController::Base.new
           context = mock()

spec/support/rails_versions.rb

@@ -11,7 +11,7 @@ module RailsVersions
     Gem::Requirement.new('~> 4.0').satisfied_by?(rails_version)
   end
 
-  def rails_gte_41?
+  def rails_gte_4_1?
     Gem::Requirement.new('>= 4.1').satisfied_by?(rails_version)
   end
 end