public function testIfCalculateBearingNorthWesternWorksAsExpected()
{
$point1 = new Coordinate(0, 0);
$point2 = new Coordinate(0.1, -0.1);
$bearingCalculator = new BearingSpherical();
$this->assertEquals(315.0, $bearingCalculator->calculateBearing($point1, $point2), '', 0.1);
}