Userchcp 932 ANSI/OEM Japanese for appveyor build test command

This is for testing purpose. To see if the test suite pass with japanese
encoding
See: https://docs.microsoft.com/en-us/windows/desktop/intl/code-page-identifiers

Author: benoittgt

appveyor.yml

@@ -30,7 +30,7 @@ before_test:
   - chcp
 
 test_script:
-  - chcp 65001 && bundle exec rspec --backtrace
+  - chcp 932 && bundle exec rspec --backtrace
 
 environment:
   matrix: