[ruby-cvs:72408] k0kubun:r65308 (trunk): revert r65292 and r65297

[k0kubun at ruby-lang.org]

k0kubun	2018-10-22 23:26:47 +0900 (Mon, 22 Oct 2018)

  New Revision: 65308

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65308

  Log:
    revert r65292 and r65297
    
    now mjit CIs are stable. Let me try this to confirm if it's fixed or
    not.

  Modified files:
    trunk/test/ruby/test_process.rb
    trunk/test/ruby/test_thread.rb