tests: clarifies dependencies

tests/.snapshots/success.txt

@@ -1,6 +1,7 @@
 
    PASS  Tests\Arch
   ✓ globals
+  ✓ dependencies
   ✓ contracts
 
    PASS  Tests\Features\AfterAll
@@ -942,4 +943,4 @@
    PASS  Tests\Visual\Version
   ✓ visual snapshot of help command output
 
-  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 18 skipped, 643 passed (1585 assertions)
+  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 18 skipped, 644 passed (1586 assertions)

tests/Arch.php

@@ -7,6 +7,23 @@ test('globals')
     ->not->toBeUsed()
     ->ignoring(Expectation::class);
 
+test('dependencies')
+    ->expect('Pest')
+    ->toOnlyUse([
+        'dd',
+        'dump',
+        'expect',
+        'uses',
+        'Termwind',
+        'ParaTest',
+        'Pest\Arch',
+        'Pest\Plugin',
+        'NunoMaduro\Collision',
+        'Whoops',
+        'Symfony\Component\Console',
+        'Symfony\Component\Process',
+    ])->ignoring(['Composer', 'PHPUnit', 'SebastianBergmann']);
+
 test('contracts')
     ->expect('Pest\Contracts')
     ->toOnlyUse([

tests/Visual/Parallel.php

@@ -15,6 +15,6 @@ $run = function () {
 };
 
 test('parallel', function () use ($run) {
-    expect($run())->toContain('Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 15 skipped, 634 passed (1572 assertions)')
+    expect($run())->toContain('Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 15 skipped, 635 passed (1573 assertions)')
         ->toContain('Parallel: 3 processes');
 });