public static void TestValidMoveBlackPawn()
{
ChessGame cb = new ChessGame();
cb.ApplyMove(new Move(new Position(File.A, 2), new Position(File.A, 3), Player.White), true);
Move move1 = new Move(new Position(File.A, 7), new Position(File.A, 6), Player.Black);
Assert.True(cb.IsValidMove(move1), "move1 should be valid");
}