register fake driver at service provider

Author: jleonardolemos

src/Facade/Pigeon.php

@@ -19,7 +19,7 @@ class Pigeon extends Facade
 {
     public static function fake(): PigeonFake
     {
-        static::swap(new PigeonFake(static::$app));
+        static::swap(app('pigeon-fake'));
 
         return self::getFacadeRoot();
     }

src/PigeonServiceProvider.php

@@ -2,6 +2,7 @@
 
 namespace Convenia\Pigeon;
 
+use Convenia\Pigeon\Support\Testing\PigeonFake;
 use Illuminate\Support\ServiceProvider;
 
 /**
@@ -32,6 +33,10 @@ public function register(): void
             return new PigeonManager($app);
         });
 
+        $this->app->singleton('pigeon-fake', static function ($app) {
+            return new PigeonFake($app);
+        });
+
         $this->mergeConfigFrom(
             $this->configPath(),
             'pigeon'