test: update tests to work on windows

Author: mychidarko

tests/path.test.php

@@ -29,11 +29,15 @@
 test('Can join paths', function () {
     $path2 = '/path/to';
 
-    expect(path($path2)->join('file2.txt'))->toBe('/path/to/file2.txt');
+    expect(path($path2)->join('file2.txt'))->toBe(
+        DIRECTORY_SEPARATOR . 'path' . DIRECTORY_SEPARATOR . 'to' . DIRECTORY_SEPARATOR . 'file2.txt'
+    );
 });
 
 test('Can normalize path', function () {
     $path = '/path/to/../to/file.txt';
 
-    expect(path($path)->normalize())->toBe('/path/to/file.txt');
+    expect(path($path)->normalize())->toBe(
+        DIRECTORY_SEPARATOR . 'path' . DIRECTORY_SEPARATOR . 'to' . DIRECTORY_SEPARATOR . 'file.txt'
+    );
 });