SeriesInfoExtractorServiceImpl.extractCurrency(): add unit tests

[0pdd]

The puzzle 695-13b4e41f from #695 has to be resolved:

mystamps/src/main/java/ru/mystamps/web/service/SeriesInfoExtractorServiceImpl.java

Line 284 in df45acd

// @todo #695 SeriesInfoExtractorServiceImpl.extractCurrency(): add unit tests

The puzzle was created by Slava Semushin on 04-Jan-18.

Estimate: 0 minutes, role: IMP.

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