applies new string literal convention to the rest of the project

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

1 files changed, 1 insertions, 1 deletions

diff --git a/activerecord/bin/test b/activerecord/bin/test
index 7417b068bf..822e303ad8 100755
--- a/activerecord/bin/test
+++ b/activerecord/bin/test
@@ -14,6 +14,6 @@ module Minitest
   end
 end
 
-Minitest.extensions.unshift 'active_record'
+Minitest.extensions.unshift "active_record"
 
 exit Minitest.run(ARGV)