Add integration test for import of series with currency-locator

[0pdd]

The puzzle 979-ca86046a from #979 has to be resolved:

mystamps/src/main/java/ru/mystamps/web/feature/series/importing/extractor/SiteParserConfiguration.java

Line 62 in e4890f4

// @todo #979 Add integration test for import of series with currency-locator

The puzzle was created by Slava Semushin on 15-Jan-20.