appveyor.yml: workaround wrong command line escape
backslash in %APPVEYOR_BUILD_FOLDER% is somehow dropped somewhere when being passed to test runner via mingw32-make.
Anyway we know the relative path to the project directory, so we can specify that with slash.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65262 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Added by k0kubun (Takashi Kokubun) about 7 years ago
appveyor.yml: workaround wrong command line escape
backslash in %APPVEYOR_BUILD_FOLDER% is somehow dropped somewhere
when being passed to test runner via mingw32-make.
Anyway we know the relative path to the project directory, so we can
specify that with slash.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65262 b2dd03c8-39d4-4d8f-98ff-823fe69b080e