applies new string literal convention in actionpack/test

The current code base is not uniform. After some discussion,
we have chosen to go with double quotes by default.

1 files changed, 4 insertions, 4 deletions

diff --git a/actionpack/test/dispatch/prefix_generation_test.rb b/actionpack/test/dispatch/prefix_generation_test.rb
index b8f0ffb64a..ef2dc170f5 100644
--- a/actionpack/test/dispatch/prefix_generation_test.rb
+++ b/actionpack/test/dispatch/prefix_generation_test.rb
@@ -1,6 +1,6 @@
-require 'abstract_unit'
-require 'rack/test'
-require 'rails/engine'
+require "abstract_unit"
+require "rack/test"
+require "rails/engine"
 
 module TestGenerationPrefix
   class Post
@@ -362,7 +362,7 @@ module TestGenerationPrefix
       end
 
       def self.call(env)
-        env['action_dispatch.routes'] = routes
+        env["action_dispatch.routes"] = routes
         routes.call(env)
       end
     end