feat: adds toHaveFileSystemPermissions expectation

tests/Features/Expect/toHaveFileSystemPermissions.php

@@ -0,0 +1,16 @@
+<?php
+
+use Pest\Arch\Exceptions\ArchExpectationFailedException;
+
+test('pass', function () {
+    expect(Pest\Preset::class)->toHaveFileSystemPermissions('0644')
+        ->and('Pest')->not->toHaveFileSystemPermissions('0777');
+});
+
+test('failures', function () {
+    expect(Pest\Preset::class)->toHaveFileSystemPermissions('0755');
+})->throws(ArchExpectationFailedException::class, "Expecting 'src/Preset.php' permissions to be [0755].");
+
+test('not failures', function () {
+    expect(Pest\Preset::class)->not->toHaveFileSystemPermissions('0644');
+})->throws(ArchExpectationFailedException::class, "Expecting 'src/Preset.php' permissions not to be [0644].");