svoid test_runProbabilisticBinaryMaximumSearch_withFoundInStep() {
  assertEqualsVerbose(str(WithProbability(.48, FoundInStep(19, 30.078125))),
    str(first(runProbabilisticBinaryMaximumSearch_withFoundInStep(
      x -> -abs(30-x),
      doubleRange(0, 100),
      0.5,
      1,
      25))));
}