Add the 'json' package. Code taken from simplejson 1.9 and contributed by Bob
Ippolito.

Closes issue #2750.
diff --git a/Lib/test/test_json.py b/Lib/test/test_json.py
new file mode 100644
index 0000000..7b8f3de
--- /dev/null
+++ b/Lib/test/test_json.py
@@ -0,0 +1,17 @@
+"""Tests for json.
+
+The tests for json are defined in the json.tests package;
+the test_suite() function there returns a test suite that's ready to
+be run.
+"""
+
+import json.tests
+import test.test_support
+
+
+def test_main():
+    test.test_support.run_unittest(json.tests.test_suite())
+
+
+if __name__ == "__main__":
+    test_main()