public void RenderPlanes() { _uut.RenderPlanes(_planes); string teststring = _writer.ToString(); string expectedOutput = "Test1: Coordinates x-y: 10000-10000 Altitude: 10000\r\nTest2: Coordinates x-y: 10000-10000 Altitude: 10000 Velocity: 500 Compass course: 0\r\n"; Assert.AreEqual(teststring, expectedOutput); }