refactor: get the repository from the container

.editorconfig

@@ -0,0 +1,5 @@
+root = true
+
+[*.yaml]
+indent_style = space
+indent_size = 4

config/services.yaml

@@ -8,20 +8,23 @@ parameters:
 services:
     # default configuration for services in *this* file
     _defaults:
-        autowire: true      # Automatically injects dependencies in your services.
+        autowire: true # Automatically injects dependencies in your services.
         autoconfigure: true # Automatically registers your services as commands, event subscribers, etc.
 
     # makes classes in src/ available to be used as services
     # this creates a service per class whose id is the fully-qualified class name
     App\:
-        resource: '../src/*'
-        exclude: '../src/{DependencyInjection,Entity,Migrations,Tests,Kernel.php}'
+        resource: "../src/*"
+        exclude: "../src/{DependencyInjection,Entity,Migrations,Tests,Kernel.php}"
 
     # controllers are imported separately to make sure services can be injected
     # as action arguments even if you don't extend any base controller class
     App\Controller\:
-        resource: '../src/Controller'
-        tags: ['controller.service_arguments']
+        resource: "../src/Controller"
+        tags: ["controller.service_arguments"]
 
     # add more service definitions when explicit configuration is needed
     # please note that last definitions always *replace* previous ones
+    App\EventRepository:
+        class: App\Tests\FakeEventRepository
+        public: true

tests/FakeEventRepositoryTest.php

@@ -2,13 +2,16 @@
 
 namespace App\Tests;
 
+use App\EventRepository;
 use Symfony\Bundle\FrameworkBundle\Test\KernelTestCase;
 
 final class FakeEventRepositoryTest extends KernelTestCase
 {
     /** @test */
     public function should_only_return_attendees_with_a_yes_rsvp(): void {
-        $repository = new FakeEventRepository();
+        $container = self::bootKernel()->getContainer();
+        $repository = $container->get(EventRepository::class);
+
         $attendees = $repository->getConfirmedAttendees();
 
         $this->assertCount(3, $attendees->pluck('name'));