/**
  * Checks, that form field with specified id|name|label|value has specified value.
  *
  * @Overrides /^the "(?P<field>(?:[^"]|\\")*)" field should contain "(?P<value>(?:[^"]|\\")*)"$/
  */
 public function assertFieldContains($field, $value)
 {
     $this->substituteKeywords($value);
     parent::assertFieldContains($field, $value);
 }