docstr: Test SetImage and GetUTF8Text.
docstr_tok: ["Test","SetImage","and","GetUTF8Text","."]
code: def test_image(self):
      """Test SetImage and GetUTF8Text."""
      self._api.SetImage(self._image)
      text = self._api.GetUTF8Text()
      self.assertIn("quick", text)
      text2 = tesserocr.image_to_text(self._image)
      self.assertEqual(text, text2)
  
imports: import unittest
  import re
  import os.path
  import tesserocr
label_desc: Use image node_id 6 for calling the TestTessBaseApi obj's underlying member method code with example usage: obj.test_image() without return types