### Question:
StreamUtils { public static InterledgerCondition unfulfillableCondition() { return InterledgerCondition.of(Random.randBytes(32)); }  static InterledgerCondition unfulfillableCondition(); static InterledgerFulfillment generatedFulfillableFulfillment(
      final SharedSecret sharedSecret, final byte[] data
  ); static UnsignedLong min(final UnsignedLong value1, final UnsignedLong value2); static UnsignedLong max(final UnsignedLong value1, final UnsignedLong value2);  }### Answer:
@Test public void unfulfillableCondition() { assertThat(StreamUtils.unfulfillableCondition()).isNotNull(); assertThat(StreamUtils.unfulfillableCondition()).isNotEqualTo(InterledgerCondition.of(new byte[32])); }