### Blockette 059 tests ###

--01-SEED
05900351989,001~1989,004~4410000000

--01-XSEED
<channel_comment blockette="059">
  <beginning_of_effective_time>1989-01-01T00:00:00.000000Z</beginning_of_effective_time>
  <end_effective_time>1989-01-04T00:00:00.000000Z</end_effective_time>
  <comment_code_key>/xseed/abbreviation_dictionary_control_header/comment_description/comment_code_key[text()="4410"]/parent::*</comment_code_key>
</channel_comment>