code: def test_load_sample(self):
      # test wrong data
      self.assertRaises(AssertionError, POSSample, {"x": "apple"})
      self.assertRaises(AssertionError, POSSample, {"y": "apple"})
      self.assertRaises(AssertionError, POSSample, {"x": ""})
      self.assertRaises(ValueError, POSSample, {"x": [], "y": []})
      self.assertRaises(
          ValueError, POSSample, {"x": ["That", "is"], "y": ["DT"]}
      )
  
file_path: textflint/test/input/component/sample/test_pos_sample.py
imports: import unittest
  from textflint.input.component.sample.pos_sample import *
label_desc: Use image node_id 1 for calling the TestPOSSample obj's underlying member method code with example usage: obj.test_load_sample() without return types