applies new string literal convention in railties/test

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

1 files changed, 5 insertions, 5 deletions

diff --git a/railties/test/env_helpers.rb b/railties/test/env_helpers.rb
index 330fe150ca..68366b336f 100644
--- a/railties/test/env_helpers.rb
+++ b/railties/test/env_helpers.rb
@@ -1,12 +1,12 @@
-require 'rails'
+require "rails"
 
 module EnvHelpers
   private
 
   def with_rails_env(env)
     Rails.instance_variable_set :@_env, nil
-    switch_env 'RAILS_ENV', env do
-      switch_env 'RACK_ENV', nil do
+    switch_env "RAILS_ENV", env do
+      switch_env "RACK_ENV", nil do
         yield
       end
     end
@@ -14,8 +14,8 @@ module EnvHelpers
 
   def with_rack_env(env)
     Rails.instance_variable_set :@_env, nil
-    switch_env 'RACK_ENV', env do
-      switch_env 'RAILS_ENV', nil do
+    switch_env "RACK_ENV", env do
+      switch_env "RAILS_ENV", nil do
         yield
       end
     end