[ruby/net-http] Fixed test case for default content-type.
I changed content-type of request to "application/octet-stream" if request didn't have content-type.
https://github.com/ruby/net-http/commit/fc5870d2ac
Added by hsbt (Hiroshi SHIBATA) about 1 month ago
[ruby/net-http] Fixed test case for default content-type.
I changed content-type of request to "application/octet-stream" if request didn't have
content-type.
https://github.com/ruby/net-http/commit/fc5870d2ac