test(back): 平台订单创建表单 back 链接不应 escape &（护栏）

tests/Feature/AdminPlatformOrderFormBackLinkNotEscapedTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Tests\Feature;
+
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class AdminPlatformOrderFormBackLinkNotEscapedTest extends TestCase
+{
+    use RefreshDatabase;
+
+    protected function loginAsPlatformAdmin(): void
+    {
+        $this->seed();
+
+        $this->post('/admin/login', [
+            'email' => 'platform.admin@demo.local',
+            'password' => 'Platform@123456',
+        ])->assertRedirect('/admin');
+    }
+
+    public function test_create_form_back_link_should_not_escape_ampersand(): void
+    {
+        $this->loginAsPlatformAdmin();
+
+        $back = '/admin/site-subscriptions?status=activated&keyword=test';
+
+        $res = $this->get('/admin/platform-orders/create?back=' . urlencode($back));
+        $res->assertOk();
+
+        $res->assertSee('返回（保留上下文）');
+        $res->assertSee('href="' . $back . '"', false);
+        $res->assertDontSee('href="' . str_replace('&', '&amp;', $back) . '"', false);
+    }
+}