Fix tests

Author: Dhaiven

tests/phpunit/FacingTest.php

@@ -37,7 +37,7 @@ public static function axisProvider() : \Generator{
 
   #[DataProvider("axisProvider")]
 	public function testAxis(Facing $direction, Axis $axis) : void{
-		self::assertEquals($axis, Facing::axis($direction));
+		self::assertEquals($axis, $direction->axis());
 	}
 
 	public static function oppositeProvider() : \Generator{
@@ -48,8 +48,8 @@ public static function oppositeProvider() : \Generator{
 
 	#[DataProvider("oppositeProvider")]
 	public function testOpposite(Facing $dir1, Facing $dir2) : void{
-		self::assertEquals($dir2, Facing::opposite($dir1));
-		self::assertEquals($dir1, Facing::opposite($dir2));
+		self::assertEquals($dir2, $dir1->opposite());
+		self::assertEquals($dir1, $dir2->opposite());
 	}
 
 	public static function positiveProvider() : \Generator{
@@ -63,7 +63,7 @@ public static function positiveProvider() : \Generator{
 
 	#[DataProvider("positiveProvider")]
 	public function testIsPositive(Facing $facing, bool $positive) : void{
-		self::assertEquals($positive, Facing::isPositive($facing));
+		self::assertEquals($positive, $facing->isPositive());
 	}
 
 	public static function rotateProvider() : \Generator{
@@ -102,6 +102,6 @@ public static function rotateProvider() : \Generator{
 
 	#[DataProvider("rotateProvider")]
 	public function testRotate(Facing $direction, Axis $axis, bool $clockwise, Facing $expected) : void{
-		self::assertEquals($expected, Facing::rotate($direction, $axis, $clockwise));
+		self::assertEquals($expected, $direction->rotate($axis, $clockwise));
 	}
 }