geemus/excon — pull request #168 by rinrinne (2012-11-29 13:15:15+00:00)
Title: Prevent nonblock mode when run test with specific jRuby version

JRuby 1.7.0 with 1.9 mode has issue arount syswrite_nonblock.
This patch avoid to run test with nonblock on such JRuby.