def mock_translation_key
      [source_type, source_id, locale].join('-').each_byte.reduce(0) { |a, e| a + e }
    end
def mock_translation_key
      [source_type, source_id, locale].join('-').each_byte.reduce(0) { |a, e| a + e }
    end
Since Zendesk2::Request#find! calls .to_i on hash keys, we need an integer
 key for this.