input: 
  def test_sru_search(self):
      """
      Test the search method of the sru class with a sample query.
      Ensure it returns a response object with the expected number of records.
      >>> sru_instance = sru()
      >>> response = sru_instance.search("example query", collection="ANP")
      >>> response is not None
      True
      """
  
output:     assert response is not None, "Response should not be None"
      assert isinstance(response, dict), "Response should be a dictionary"
      assert "records" in response, "Response should contain 'records' key"
      assert len(response["records"]) > 0, "Response should contain at least one record"