Fix JSON::GenericObject tests

Co-authored-by: Jean Boussier <jean.boussier@gmail.com>

Author: etiennebarrie

test/json/json_generic_object_test.rb

@@ -4,7 +4,7 @@
 class JSONGenericObjectTest < Test::Unit::TestCase
 
   def setup
-    if defined?(GenericObject)
+    if defined?(JSON::GenericObject)
       @go = JSON::GenericObject[ :a => 1, :b => 2 ]
     else
       omit("JSON::GenericObject is not available")
@@ -40,23 +40,23 @@ def test_parse_json
         )
       assert_equal 1, l.a
       assert_equal @go,
-        l = JSON('{ "a": 1, "b": 2 }', :object_class => GenericObject)
+        l = JSON('{ "a": 1, "b": 2 }', :object_class => JSON::GenericObject)
       assert_equal 1, l.a
-      assert_equal GenericObject[:a => GenericObject[:b => 2]],
-        l = JSON('{ "a": { "b": 2 } }', :object_class => GenericObject)
+      assert_equal JSON::GenericObject[:a => JSON::GenericObject[:b => 2]],
+        l = JSON('{ "a": { "b": 2 } }', :object_class => JSON::GenericObject)
       assert_equal 2, l.a.b
     end
   end
 
   def test_from_hash
     result  = JSON::GenericObject.from_hash(
       :foo => { :bar => { :baz => true }, :quux => [ { :foobar => true } ] })
-    assert_kind_of GenericObject, result.foo
-    assert_kind_of GenericObject, result.foo.bar
+    assert_kind_of JSON::GenericObject, result.foo
+    assert_kind_of JSON::GenericObject, result.foo.bar
     assert_equal   true, result.foo.bar.baz
-    assert_kind_of GenericObject, result.foo.quux.first
+    assert_kind_of JSON::GenericObject, result.foo.quux.first
     assert_equal   true, result.foo.quux.first.foobar
-    assert_equal   true, GenericObject.from_hash(true)
+    assert_equal   true, JSON::GenericObject.from_hash(true)
   end
 
   def test_json_generic_object_load