code: def setUp(self):
      self.rows = ((1, 4, "a"), (2, 3, "b"), (None, 2, "👍"))
  
      self.number_type = Number()
      self.text_type = Text()
  
      self.column_names = ["one", "two", "three"]
      self.column_types = [
          self.number_type,
          self.number_type,
          self.text_type,
      ]
  
file_path: agate/tests/test_table/test_print_html.py
imports: import warnings
  from html.parser import HTMLParser
  from io import StringIO
  from agate import Table
  from agate.data_types import Number, Text
  from agate.testcase import AgateTestCase
label_desc: Use image node_id 1 for calling the TestPrintHTML obj's underlying member method code with example usage: obj.setUp() without return types