[ruby-cvs:67351] hsbt:r60169 (trunk): Removed unnecessary gem locking for avoiding test warnings.

[hsbt at ruby-lang.org]

hsbt	2017-10-12 10:38:07 +0900 (Thu, 12 Oct 2017)

  New Revision: 60169

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60169

  Log:
    Removed unnecessary gem locking for avoiding test warnings.
    
      It causes test failure: http://ci.rvm.jp/results/trunk@P895/111404

  Modified files:
    trunk/test/rubygems/test_gem_commands_update_command.rb