public void PopulatePlaceParameters_TestInvalidPlaceParamsFormat_IsNull()
{
// arrange
string[] input = "PLACE 1,1,WEST,5".Split(' ');
ToyRobot robot = new ToyRobot(new TableSurface(5, 5));
//act
Location tmpLocation = robot.PopulatePlaceParameters(input);
//assert
Assert.IsNull(tmpLocation);
}