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