add tests

tests/Unit/Overrides/ThrowableBuilder.php

@@ -0,0 +1,29 @@
+<?php
+
+use NunoMaduro\Collision\Contracts\RenderableOnCollisionEditor;
+use PHPUnit\Event\Code\ThrowableBuilder;
+use Whoops\Exception\Frame;
+
+test('collision editor can be added to the stack trace', function () {
+    $exception = new class extends Exception implements RenderableOnCollisionEditor
+    {
+        public function __construct()
+        {
+            parent::__construct('test exception');
+        }
+
+        public function toCollisionEditor(): Frame
+        {
+            return new Frame([
+                'file' => __DIR__.'/../../Pest.php',
+                'line' => 5,
+            ]);
+        }
+    };
+
+    expect(ThrowableBuilder::from($exception))
+        ->stackTrace()->toStartWith('/data/projects/open-source/pest/tests/Unit/Overrides/../../Pest.php:5')
+        ->and(ThrowableBuilder::from(new Exception('test')))
+        ->stackTrace()->toStartWith('/data/projects/open-source/pest/tests/Unit/Overrides/ThrowableBuilder.php:26');
+
+});