* test/json/json_generator_test.rb (test_broken_bignum): get rid
of use of Bignum, obsolete name.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@56126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
upstream.
* test/json: merge original test files from json upstream.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@55667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e