/series/import/request/{id}(michelNumbers): add integration test for validation

[0pdd]

The puzzle 694-b7a345ad from #694 has to be resolved:

mystamps/src/main/java/ru/mystamps/web/controller/dto/ImportSeriesForm.java

Line 94 in 712c623

// @todo #694 /series/import/request/{id}(michelNumbers): add integration test for validation

The puzzle was created by Slava Semushin on 08-Jul-18.