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