fix: package lock fingerprint

tests/Features/Helpers.php

@@ -1,22 +1,22 @@
 <?php
 
-function addUser()
+function addUser(): void
 {
     test()->user = 'nuno';
 }
 
-it('can set/get properties on $this', function () {
+it('can set/get properties on $this', function (): void {
     addUser();
     expect($this->user)->toBe('nuno');
 });
 
-it('gets null if property do not exist', function () {
-    expect(test()->wqdwqdqw)->toBe(null);
+it('gets null if property do not exist', function (): void {
+    expect(test()->wqdwqdqw)->toBeNull();
 });
 
 class User
 {
-    public function getName()
+    public function getName(): string
     {
         return 'nuno';
     }
@@ -32,12 +32,12 @@ function mockUser()
     return $mock;
 }
 
-it('allows to call underlying protected/private methods', function () {
+it('allows to call underlying protected/private methods', function (): void {
     $user = mockUser();
     expect($user->getName())->toBe('maduro');
 });
 
-it('throws error if method do not exist', function () {
+it('throws error if method do not exist', function (): void {
     test()->foo();
 })->throws(ReflectionException::class, 'Call to undefined method PHPUnit\Framework\TestCase::foo()');