feat(mock): adds work in progress

src/Functions.php

@@ -3,6 +3,7 @@
 declare(strict_types=1);
 
 use Pest\Datasets;
+use Pest\Mock;
 use Pest\PendingObjects\AfterEachCall;
 use Pest\PendingObjects\BeforeEachCall;
 use Pest\PendingObjects\TestCall;
@@ -104,3 +105,15 @@ function afterAll(Closure $closure): void
 {
     TestSuite::getInstance()->afterAll->set($closure);
 }
+
+if (!function_exists('mock')) {
+    /**
+     * Creates a new mock with the given class or object.
+     *
+     * @param string|object $object
+     */
+    function mock($object): Mock
+    {
+        return new Mock($object);
+    }
+}