public function grade(CodingExecutionResult $result)
 {
     $result->assertFunctionExists('get_great_pet_toys');
     $result->assertInputContains('lib/functions.php', 'get_great_pet_toys(');
     $result->assertInputContains('index.php', 'require');
     $result->assertElementContains('h3', 'Bacon Bone');
 }
 public function grade(CodingExecutionResult $result)
 {
     $result->assertFunctionExists('get_great_pet_toys');
     $result->assertInputContains('index.php', 'get_great_pet_toys(');
     $result->assertElementContains('h4', 'Yellow');
     $result->assertElementContains('h4', 'Multiple Colors');
     $result->assertElementContains('h3', 'Bacon Bone');
 }