[ruby-cvs:65375] nobu:r58204 (trunk): test_symbol.rb: switch to assert_not_equal

[nobu at ruby-lang.org]

nobu	2017-03-29 12:00:50 +0900 (Wed, 29 Mar 2017)

  New Revision: 58204

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=58204

  Log:
    test_symbol.rb: switch to assert_not_equal

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