Apply rule to end files with a newline character

spec/support/matchers/appear_before.rb

@@ -3,4 +3,4 @@ RSpec::Matchers.define :appear_before do |later_content|
     text = page.text
     text.index(earlier_content) < text.index(later_content)
   end
-end
+end

spec/support/verifiable.rb

@@ -254,4 +254,4 @@ shared_examples_for "verifiable" do
     end
   end
 
-end
+end