[ruby-cvs:64275] naruse:r57109 (trunk): Increase timeout

[naruse at ruby-lang.org]

naruse	2016-12-18 20:28:01 +0900 (Sun, 18 Dec 2016)

  New Revision: 57109

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=57109

  Log:
    Increase timeout
    
    http://rubyci.s3.amazonaws.com/unstable10s/ruby-trunk/log/20161215T021909Z.fail.html.gz

  Modified files:
    trunk/test/ruby/test_symbol.rb