code: def test_dumps(self):
      self.assertEqual(self.dumps({}), "{}")
  
file_path: cpython/Lib/test/test_json/test_dump.py
imports: from io import StringIO
  from test.test_json import PyTest, CTest
  from test.support import bigmemtest, _1G
label_desc: Use image node_id 2 for calling the TestDump obj's underlying member method code with example usage: obj.test_dumps() without return types