code: def test_dump(self):
      # test dump
      self.assertEqual(
          {
              "source": "It's the most well-known Arab monument in the world..",
              "target": "Es ist das bekannteste arabische Bauwerk auf der ganzen Welt...",
              "sample_id": None,
          },
          nmt_sample.dump(),
      )
  
file_path: textflint/test/input/component/sample/test_nmt_sample.py
imports: import unittest
  from textflint.input.component.sample.nmt_sample import *
label_desc: Use image node_id 5 for calling the TestNMTSample obj's underlying member method code with example usage: obj.test_dump() without return types