code: def test_with_headers(self):
      two_rows = [
          {"stage": "forward", "total": "0.011"},
          {"stage": "comput_loss", "total": "0.000"},
      ]
  
      headers = {"stage": "Stage", "total": "Total Time"}
  
      in_table_form = ascii_table(two_rows, headers)
  
      output = (
          "+-------------+------------+\n"
          "| Stage       | Total Time |\n"
          "+-------------+------------+\n"
          "|     forward |      0.011 |\n"
          "| comput_loss |      0.000 |\n"
          "+-------------+------------+"
      )
      self.assertEqual(in_table_form, output)
  
imports: import unittest
  from pytext.utils.ascii_table import ascii_table
label_desc: Use image node_id 2 for calling the TestTables obj's underlying member method code with example usage: obj.test_with_headers() without return types