Update tests

tests/Feature/PlaylistCreationTest.php

@@ -0,0 +1,36 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\User;
+use Tests\RefreshDatabase;
+use Tests\TestCase;
+
+class PlaylistCreationTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_authenticated_user_can_create_playlist(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user)
+            ->post('/create-playlist', ['name' => 'My List', 'visiblity' => 'private'])
+            ->assertRedirect(route('profile.playlists'));
+
+        $this->assertDatabaseHas('playlists', [
+            'user_id' => $user->id,
+            'name' => 'My List',
+            'is_private' => true,
+        ]);
+    }
+
+    public function test_playlist_requires_a_name(): void
+    {
+        $user = User::factory()->create();
+
+        $this->actingAs($user)
+            ->post('/create-playlist', [])
+            ->assertSessionHasErrors('name');
+    }
+}