@Test
public void testMedian() {

  Random rng = new Random("Repeatable tests".hashCode());
  int n = 1;
  for (int i = 0; i < n; i++) {
    testMedian(rng);
  }
  System.out.println(
      "Error avg = " + (errorSum / n) + " in range [" + minError + ", " + maxError + "]");
}