diff --git a/phpstan.neon b/phpstan.neon
index fbb941ef..61308345 100644
--- a/phpstan.neon
+++ b/phpstan.neon
@@ -10,7 +10,6 @@ parameters:
 
     paths:
         - app
-        - tests
         - database
         - packages/tex/src
         - packages/laravel-nami/src
diff --git a/tests/Feature/Invoice/InvoiceDestroyActionTest.php b/tests/Feature/Invoice/InvoiceDestroyActionTest.php
index cee8f5da..1ece9f52 100644
--- a/tests/Feature/Invoice/InvoiceDestroyActionTest.php
+++ b/tests/Feature/Invoice/InvoiceDestroyActionTest.php
@@ -5,20 +5,14 @@ namespace Tests\Feature\Invoice;
 use App\Invoice\Models\Invoice;
 use App\Invoice\Models\InvoicePosition;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
-use Tests\TestCase;
 
-class InvoiceDestroyActionTest extends TestCase
-{
+uses(DatabaseTransactions::class);
 
-    use DatabaseTransactions;
+it('testItDestroysInvoice', function () {
+    $this->login()->loginNami()->withoutExceptionHandling();
+    $invoice = Invoice::factory()->has(InvoicePosition::factory()->withMember(), 'positions')->create();
 
-    public function testItDestroysInvoice(): void
-    {
-        $this->login()->loginNami()->withoutExceptionHandling();
-        $invoice = Invoice::factory()->has(InvoicePosition::factory()->withMember(), 'positions')->create();
-
-        $this->delete(route('invoice.destroy', ['invoice' => $invoice]))->assertOk();
-        $this->assertDatabaseCount('invoices', 0);
-        $this->assertDatabaseCount('invoice_positions', 0);
-    }
-}
+    $this->delete(route('invoice.destroy', ['invoice' => $invoice]))->assertOk();
+    $this->assertDatabaseCount('invoices', 0);
+    $this->assertDatabaseCount('invoice_positions', 0);
+});
diff --git a/tests/Feature/Invoice/InvoiceIndexActionTest.php b/tests/Feature/Invoice/InvoiceIndexActionTest.php
index 00c7c3b4..a8e64244 100644
--- a/tests/Feature/Invoice/InvoiceIndexActionTest.php
+++ b/tests/Feature/Invoice/InvoiceIndexActionTest.php
@@ -9,96 +9,88 @@ use App\Invoice\Models\InvoicePosition;
 use App\Member\Member;
 use App\Payment\Subscription;
 use Illuminate\Foundation\Testing\DatabaseTransactions;
-use Tests\TestCase;
 
-class InvoiceIndexActionTest extends TestCase
-{
+uses(DatabaseTransactions::class);
 
-    use DatabaseTransactions;
+it('testItDisplaysInvoices', function () {
+    login()->loginNami()->withoutExceptionHandling();
+    $subscription = Subscription::factory()->forFee()->name('Beitrag')->create();
+    $member = Member::factory()->defaults()->create(['firstname' => 'Aaaa', 'lastname' => 'Aaab']);
+    $invoice = Invoice::factory()
+        ->has(InvoicePosition::factory()->price(1100)->for($member)->state(['description' => 'lala']), 'positions')
+        ->has(InvoicePosition::factory()->price(2200)->withMember(), 'positions')
+        ->to(ReceiverRequestFactory::new()->name('Familie Blabla'))
+        ->sentAt(now()->subDay())
+        ->via(BillKind::POST)
+        ->status(InvoiceStatus::SENT)
+        ->create(['usage' => 'Usa', 'mail_email' => 'a@b.de']);
 
-    public function testItDisplaysInvoices(): void
-    {
-        $this->login()->loginNami()->withoutExceptionHandling();
-        $subscription = Subscription::factory()->forFee()->name('Beitrag')->create();
-        $member = Member::factory()->defaults()->create(['firstname' => 'Aaaa', 'lastname' => 'Aaab']);
-        $invoice = Invoice::factory()
-            ->has(InvoicePosition::factory()->price(1100)->for($member)->state(['description' => 'lala']), 'positions')
-            ->has(InvoicePosition::factory()->price(2200)->withMember(), 'positions')
-            ->to(ReceiverRequestFactory::new()->name('Familie Blabla'))
-            ->sentAt(now()->subDay())
-            ->via(BillKind::POST)
-            ->status(InvoiceStatus::SENT)
-            ->create(['usage' => 'Usa', 'mail_email' => 'a@b.de']);
+    test()->get(route('invoice.index'))
+        ->assertInertiaPath('data.data.0.to.name', 'Familie Blabla')
+        ->assertInertiaPath('data.data.0.id', $invoice->id)
+        ->assertInertiaPath('data.data.0.sum_human', '33,00 €')
+        ->assertInertiaPath('data.data.0.sent_at_human', now()->subDay()->format('d.m.Y'))
+        ->assertInertiaPath('data.data.0.status', 'Rechnung gestellt')
+        ->assertInertiaPath('data.data.0.via', 'Post')
+        ->assertInertiaPath('data.data.0.mail_email', 'a@b.de')
+        ->assertInertiaPath('data.data.0.usage', 'Usa')
+        ->assertInertiaPath('data.data.0.greeting', $invoice->greeting)
+        ->assertInertiaPath('data.data.0.positions.0.price', 1100)
+        ->assertInertiaPath('data.data.0.positions.0.member_id', $member->id)
+        ->assertInertiaPath('data.data.0.positions.0.description', 'lala')
+        ->assertInertiaPath('data.data.0.positions.0.id', $invoice->positions->first()->id)
+        ->assertInertiaPath('data.data.0.links.pdf', route('invoice.pdf', ['invoice' => $invoice]))
+        ->assertInertiaPath('data.data.0.links.rememberpdf', route('invoice.rememberpdf', ['invoice' => $invoice]))
+        ->assertInertiaPath('data.data.0.links.update', route('invoice.update', ['invoice' => $invoice]))
+        ->assertInertiaPath('data.data.0.links.destroy', route('invoice.destroy', ['invoice' => $invoice]))
+        ->assertInertiaPath('data.meta.links.mass-store', route('invoice.mass-store'))
+        ->assertInertiaPath('data.meta.links.newInvoiceAttributes', route('invoice.new-invoice-attributes'))
+        ->assertInertiaPath('data.meta.links.store', route('invoice.store'))
+        ->assertInertiaPath('data.meta.links.masspdf', route('invoice.masspdf'))
+        ->assertInertiaPath('data.meta.vias.0', ['id' => 'E-Mail', 'name' => 'E-Mail'])
+        ->assertInertiaPath('data.meta.statuses.0', ['id' => 'Neu', 'name' => 'Neu'])
+        ->assertInertiaPath('data.meta.members.0', ['id' => $member->id, 'name' => 'Aaaa Aaab'])
+        ->assertInertiaPath('data.meta.subscriptions.0', ['name' => 'Beitrag', 'id' => $subscription->id])
+        ->assertInertiaPath('data.meta.filter.statuses', ['Neu', 'Rechnung gestellt'])
+        ->assertInertiaPath('data.meta.default', [
+            'to' => [
+                'name' => '',
+                'address' => '',
+                'zip' => '',
+                'location' => '',
+            ],
+            'positions' => [],
+            'greeting' => '',
+            'status' => InvoiceStatus::NEW->value,
+            'via' => null,
+            'usage' => '',
+            'mail_email' => '',
+        ])
+        ->assertInertiaPath('data.meta.default_position', [
+            'id' => null,
+            'price' => 0,
+            'description' => '',
+            'member_id' => null,
+        ]);
+});
 
-        $this->get(route('invoice.index'))
-            ->assertInertiaPath('data.data.0.to.name', 'Familie Blabla')
-            ->assertInertiaPath('data.data.0.id', $invoice->id)
-            ->assertInertiaPath('data.data.0.sum_human', '33,00 €')
-            ->assertInertiaPath('data.data.0.sent_at_human', now()->subDay()->format('d.m.Y'))
-            ->assertInertiaPath('data.data.0.status', 'Rechnung gestellt')
-            ->assertInertiaPath('data.data.0.via', 'Post')
-            ->assertInertiaPath('data.data.0.mail_email', 'a@b.de')
-            ->assertInertiaPath('data.data.0.usage', 'Usa')
-            ->assertInertiaPath('data.data.0.greeting', $invoice->greeting)
-            ->assertInertiaPath('data.data.0.positions.0.price', 1100)
-            ->assertInertiaPath('data.data.0.positions.0.member_id', $member->id)
-            ->assertInertiaPath('data.data.0.positions.0.description', 'lala')
-            ->assertInertiaPath('data.data.0.positions.0.id', $invoice->positions->first()->id)
-            ->assertInertiaPath('data.data.0.links.pdf', route('invoice.pdf', ['invoice' => $invoice]))
-            ->assertInertiaPath('data.data.0.links.rememberpdf', route('invoice.rememberpdf', ['invoice' => $invoice]))
-            ->assertInertiaPath('data.data.0.links.update', route('invoice.update', ['invoice' => $invoice]))
-            ->assertInertiaPath('data.data.0.links.destroy', route('invoice.destroy', ['invoice' => $invoice]))
-            ->assertInertiaPath('data.meta.links.mass-store', route('invoice.mass-store'))
-            ->assertInertiaPath('data.meta.links.newInvoiceAttributes', route('invoice.new-invoice-attributes'))
-            ->assertInertiaPath('data.meta.links.store', route('invoice.store'))
-            ->assertInertiaPath('data.meta.links.masspdf', route('invoice.masspdf'))
-            ->assertInertiaPath('data.meta.vias.0', ['id' => 'E-Mail', 'name' => 'E-Mail'])
-            ->assertInertiaPath('data.meta.statuses.0', ['id' => 'Neu', 'name' => 'Neu'])
-            ->assertInertiaPath('data.meta.members.0', ['id' => $member->id, 'name' => 'Aaaa Aaab'])
-            ->assertInertiaPath('data.meta.subscriptions.0', ['name' => 'Beitrag', 'id' => $subscription->id])
-            ->assertInertiaPath('data.meta.filter.statuses', ['Neu', 'Rechnung gestellt'])
-            ->assertInertiaPath('data.meta.default', [
-                'to' => [
-                    'name' => '',
-                    'address' => '',
-                    'zip' => '',
-                    'location' => '',
-                ],
-                'positions' => [],
-                'greeting' => '',
-                'status' => InvoiceStatus::NEW->value,
-                'via' => null,
-                'usage' => '',
-                'mail_email' => '',
-            ])
-            ->assertInertiaPath('data.meta.default_position', [
-                'id' => null,
-                'price' => 0,
-                'description' => '',
-                'member_id' => null,
-            ]);
-    }
+it('testValuesCanBeNull', function () {
+    test()->login()->loginNami()->withoutExceptionHandling();
+    Invoice::factory()->create();
 
-    public function testValuesCanBeNull(): void
-    {
-        $this->login()->loginNami()->withoutExceptionHandling();
-        Invoice::factory()->create();
+    test()->get(route('invoice.index'))
+        ->assertInertiaPath('data.data.0.sent_at_human', '');
+});
 
-        $this->get(route('invoice.index'))
-            ->assertInertiaPath('data.data.0.sent_at_human', '');
-    }
+it('testItFiltersForInvoiceStatus', function () {
+    test()->login()->loginNami()->withoutExceptionHandling();
+    Invoice::factory()->status(InvoiceStatus::NEW)->create();
+    Invoice::factory()->status(InvoiceStatus::SENT)->count(2)->create();
+    Invoice::factory()->status(InvoiceStatus::PAID)->count(3)->create();
 
-    public function testItFiltersForInvoiceStatus(): void
-    {
-        $this->login()->loginNami()->withoutExceptionHandling();
-        Invoice::factory()->status(InvoiceStatus::NEW)->create();
-        Invoice::factory()->status(InvoiceStatus::SENT)->count(2)->create();
-        Invoice::factory()->status(InvoiceStatus::PAID)->count(3)->create();
-
-        $this->callFilter('invoice.index', [])->assertInertiaCount('data.data', 3);
-        $this->callFilter('invoice.index', ['statuses' => []])->assertInertiaCount('data.data', 0);
-        $this->callFilter('invoice.index', ['statuses' => ['Neu']])->assertInertiaCount('data.data', 1);
-        $this->callFilter('invoice.index', ['statuses' => ['Neu', 'Rechnung beglichen']])->assertInertiaCount('data.data', 4);
-        $this->callFilter('invoice.index', ['statuses' => ['Neu', 'Rechnung beglichen', 'Rechnung gestellt']])->assertInertiaCount('data.data', 6);
-    }
-}
+    test()->callFilter('invoice.index', [])->assertInertiaCount('data.data', 3);
+    test()->callFilter('invoice.index', ['statuses' => []])->assertInertiaCount('data.data', 0);
+    test()->callFilter('invoice.index', ['statuses' => ['Neu']])->assertInertiaCount('data.data', 1);
+    test()->callFilter('invoice.index', ['statuses' => ['Neu', 'Rechnung beglichen']])->assertInertiaCount('data.data', 4);
+    test()->callFilter('invoice.index', ['statuses' => ['Neu', 'Rechnung beglichen', 'Rechnung gestellt']])->assertInertiaCount('data.data', 6);
+});
diff --git a/tests/Pest.php b/tests/Pest.php
new file mode 100644
index 00000000..a97bd509
--- /dev/null
+++ b/tests/Pest.php
@@ -0,0 +1,43 @@
+<?php
+
+/*
+|--------------------------------------------------------------------------
+| Test Case
+|--------------------------------------------------------------------------
+|
+| The closure you provide to your test functions is always bound to a specific PHPUnit test
+| case class. By default, that class is "PHPUnit\Framework\TestCase". Of course, you may
+| need to change it using the "uses()" function to bind a different classes or traits.
+|
+*/
+
+uses(
+    Tests\TestCase::class,
+    // Illuminate\Foundation\Testing\RefreshDatabase::class,
+)->in('Feature');
+
+/*
+|--------------------------------------------------------------------------
+| Expectations
+|--------------------------------------------------------------------------
+|
+| When you're writing tests, you often need to check that values meet certain conditions. The
+| "expect()" function gives you access to a set of "expectations" methods that you can use
+| to assert different things. Of course, you may extend the Expectation API at any time.
+|
+*/
+
+// expect()->extend('toBeOne', function () {
+//     return $this->toBe(1);
+// });
+
+/*
+|--------------------------------------------------------------------------
+| Functions
+|--------------------------------------------------------------------------
+|
+| While Pest is very powerful out-of-the-box, you may have some testing code specific to your
+| project that you don't want to repeat in every file. Here you can also expose helpers as
+| global functions to help you to reduce the number of lines of code in your test files.
+|
+*/
diff --git a/tests/TestCase.php b/tests/TestCase.php
index b90afa70..606b7358 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -19,7 +19,7 @@ use Tests\Lib\TestsInertia;
 use Zoomyboy\LaravelNami\Authentication\Auth;
 use Zoomyboy\TableDocument\TestsExcelDocuments;
 
-abstract class TestCase extends BaseTestCase
+class TestCase extends BaseTestCase
 {
     use CreatesApplication;
     use TestsInertia;
@@ -28,7 +28,7 @@ abstract class TestCase extends BaseTestCase
 
     protected User $me;
 
-    public function setUp(): void
+    protected function setUp(): void
     {
         parent::setUp();
         Auth::fake();