code: def test_pattern_match(self):
      pattern1 = "abab"
      string1 = "redblueredblue"
      pattern2 = "aaaa"
      string2 = "asdasdasdasd"
      pattern3 = "aabb"
      string3 = "xyzabcxzyabc"
  
      self.assertTrue(pattern_match(pattern1, string1))
      self.assertTrue(pattern_match(pattern2, string2))
      self.assertFalse(pattern_match(pattern3, string3))
  
imports: from algorithms.backtrack import add_operators, permute_iter, anagram, array_sum_combinations, unique_array_sum_combinations, combination_sum, get_factors, recursive_get_factors, find_words, generate_abbreviations, generate_parenthesis_v1, generate_parenthesis_v2, letter_combinations, palindromic_substrings, pattern_match, permute_unique, permute, permute_recursive, subsets_unique, subsets, subsets_v2
  import unittest
label_desc: Use image node_id 1 for calling the TestPatternMatch obj's underlying member method code with example usage: obj.test_pattern_match() without return types