@Test
void find_whenBothRootsAreComplex_thenReturnsCorrectRoots() {

    ImmutableList<Complex> roots = QuadraticRootFinder.find(2, -3, 2);
    ImmutableList<Pair<Double, Double>> expectedRoots = ImmutableList.of(
            Pair.of(0.75, 0.6614),
            Pair.of(0.75, -0.6614)
    );
    assertEquals(expectedRoots, roots);
}