### Question:
BasePricesRequest implements RestRequest { public Currency getCurrency() { return currency; } protected  BasePricesRequest(Init<?> init); OddsType getOddsType(); ExchangeType getExchangeType(); Side getSide(); Currency getCurrency(); BigDecimal getMinimumLiquidity(); PriceMode getPriceMode();  }### Answer:
@Test @DisplayName("Check currency") void currencyTest() { assertThat(unit.getCurrency()).isEqualTo(currency); assertThat(emptyUnit.getCurrency()).isNull(); }