Apply rule to end files with a newline character

spec/helpers/admin_helper_spec.rb

@@ -16,4 +16,4 @@ describe AdminHelper do
 
   end
 
-end
+end

spec/helpers/application_helper_spec.rb

@@ -24,4 +24,4 @@ describe ApplicationHelper do
     end
   end
 
-end
+end

spec/helpers/verification_helper_spec.rb

@@ -21,4 +21,4 @@ describe VerificationHelper do
     end
   end
 
-end
+end

spec/helpers/votes_helper_spec.rb

@@ -29,4 +29,4 @@ describe VotesHelper do
     end
   end
 
-end
+end