@Test
public void testToHexStringNoPrefixZeroPadded() {

    assertThat(
            Numeric.toHexStringNoPrefixZeroPadded(
                    BigInteger.ZERO,
                    5),
            is("00000"));
    assertThat(
            Numeric.toHexStringNoPrefixZeroPadded(
                    new BigInteger("11c52b08330e05d731e38c856c1043288f7d9744", 16),
                    40),
            is("11c52b08330e05d731e38c856c1043288f7d9744"));
    assertThat(
            Numeric.toHexStringNoPrefixZeroPadded(
                    new BigInteger("01c52b08330e05d731e38c856c1043288f7d9744", 16),
                    40),
            is("01c52b08330e05d731e38c856c1043288f7d9744"));
}