Add 3 integration tests to check that the last added series is shown first

[github-actions]

The puzzle 1621-b132f9e0 from #1621 has to be resolved:

mystamps/src/main/java/ru/mystamps/web/feature/collection/CollectionServiceImpl.java

Line 68 in 9172184

// @todo #1621 Add 3 integration tests to check that the last added series is shown first

Tech debt for: 9172184 (#1621)