tests: adds arch tests

tests/.snapshots/success.txt

@@ -1,4 +1,8 @@
 
+   PASS  Tests\Arch
+  ✓ globals
+  ✓ contracts
+
    PASS  Tests\Features\AfterAll
   ✓ deletes file after all
 
@@ -938,4 +942,4 @@
    PASS  Tests\Visual\Version
   ✓ visual snapshot of help command output
 
-  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 18 skipped, 641 passed (1581 assertions)
+  Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 18 skipped, 643 passed (1585 assertions)

tests/Arch.php

@@ -0,0 +1,16 @@
+<?php
+
+use Pest\Expectation;
+
+test('globals')
+    ->expect(['dd', 'dump', 'ray'])
+    ->not->toBeUsed()
+    ->ignoring(Expectation::class);
+
+test('contracts')
+    ->expect('Pest\Contracts')
+    ->toOnlyUse([
+        'NunoMaduro\Collision\Contracts',
+        'Pest\Factories\TestCaseMethodFactory',
+        'Symfony\Component\Console',
+    ]);

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, 632 passed (1568 assertions)')
+    expect($run())->toContain('Tests:    2 deprecated, 3 warnings, 4 incomplete, 1 notice, 4 todos, 15 skipped, 634 passed (1572 assertions)')
         ->toContain('Parallel: 3 processes');
 });