♻️ Refactor tests to Swift Testing

tests/unit/Integration/PackagistTest.swift

@@ -0,0 +1,18 @@
+//
+//  PackagistTest.swift
+//  PHP Monitor
+//
+//  Created by Nico Verbruggen on 25/08/2025.
+//  Copyright © 2025 Nico Verbruggen. All rights reserved.
+//
+
+import Testing
+
+struct PackagistTest {
+    @Test func canRetrieveLaravelValetVersion() async {
+        let packageToCheck = "laravel/valet"
+        let latestVersion = try? await Packagist.getLatestStableVersion(packageName: packageToCheck)
+
+        #expect(latestVersion != nil)
+    }
+}