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