COMMIT On Windows, ENV keys are case-insensitive	http://github.com/rubyspec/rubyspec/commit/7e63fbb5aa09c9a078af2b3b7b7dd3f9cbffb0a7

===================================================================
+++ 20101013T010127
@@ 7626 @@
 /var/lib/chkbuild/tmp/build/ruby-1.8-o3/<buildtime>/ruby/test/net/http/test_connection.rb:20:in `test_connection_refused_in_request'
 ---------------
 
+2701 tests, 1351353 assertions, 3 failures, 0 errors
 make: *** [test-all] Error 1
 exit 2
 failed(test-all)

===================================================================
--- 20101012T010513
@@ 7626 @@
 /var/lib/chkbuild/tmp/build/ruby-1.8-o3/<buildtime>/ruby/test/net/http/test_connection.rb:20:in `test_connection_refused_in_request'
 ---------------
 
-2701 tests, 1351357 assertions, 3 failures, 0 errors
 make: *** [test-all] Error 1
 exit 2
 failed(test-all)