@Test
  public void shouldReturnLimitedPriceWhenUpperBoundIsPresent() {
    long expectedGasPrice = (long) (31_841 * 1.5);
    long upperBoundCoefficient = 150;
    verifyGasPriceLimit(null, upperBoundCoefficient, expectedGasPrice);
  }
Test to verify that the method returns the upper bound gas price when the upper bound parameter
is present.
ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/EthGasPriceTest.java