Add ability to define multiple hooks for the same directory in Pest.php

tests/Hooks/BeforeAllTest.php

@@ -0,0 +1,55 @@
+<?php
+
+use Pest\Plugins\Parallel;
+use Pest\Support\Str;
+
+// HACK: we have to determine our $_SERVER['globalHook-]>calls baseline. This is because
+// two other tests are executed before this one due to filename ordering.
+$args = $_SERVER['argv'] ?? [];
+$single = (isset($args[1]) && Str::endsWith(__FILE__, $args[1])) || Parallel::isWorker();
+$offset = $single ? 0 : 2;
+
+uses()->beforeAll(function () use ($offset) {
+    expect($_SERVER['globalHook'])
+        ->toHaveProperty('beforeAll')
+        ->and($_SERVER['globalHook']->beforeAll)
+        ->toBe(1)
+        ->and($_SERVER['globalHook']->calls)
+        ->beforeAll
+        ->toBe(1 + $offset);
+
+    $_SERVER['globalHook']->beforeAll = 2;
+    $_SERVER['globalHook']->calls->beforeAll++;
+});
+
+beforeAll(function () use ($offset) {
+    expect($_SERVER['globalHook'])
+        ->toHaveProperty('beforeAll')
+        ->and($_SERVER['globalHook']->beforeAll)
+        ->toBe(2)
+        ->and($_SERVER['globalHook']->calls)
+        ->beforeAll
+        ->toBe(2 + $offset);
+
+    $_SERVER['globalHook']->beforeAll = 3;
+    $_SERVER['globalHook']->calls->beforeAll++;
+});
+
+test('global beforeAll execution order', function () use ($offset) {
+    expect($_SERVER['globalHook'])
+        ->toHaveProperty('beforeAll')
+        ->and($_SERVER['globalHook']->beforeAll)
+        ->toBe(3)
+        ->and($_SERVER['globalHook']->calls)
+        ->beforeAll
+        ->toBe(3 + $offset);
+});
+
+it('only gets called once per file', function () use ($offset) {
+    expect($_SERVER['globalHook'])
+        ->beforeAll
+        ->toBe(3)
+        ->and($_SERVER['globalHook']->calls)
+        ->beforeAll
+        ->toBe(3 + $offset);
+});