test_ftp.rb: extend timeout for --jit-wait testing
to avoid random failures like https://app.wercker.com/ruby/ruby/runs/mjit-test1/5be394b818310600284f2b50?step=5be394f1591ca800079b1329
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
test_ftp.rb: extend timeout for --jit-wait testing
to avoid random failures like
https://app.wercker.com/ruby/ruby/runs/mjit-test1/5be394b818310600284f2b50?step=5be394f1591ca800079b1329
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65620 b2dd03c8-39d4-4d8f-98ff-823fe69b080e