Update tests a little

tests/Foundation/Providers/EventServiceProviderTest.php

@@ -13,13 +13,29 @@ namespace CachetHQ\Tests\Cachet\Foundation\Providers;
 
 use AltThree\TestBench\EventServiceProviderTrait;
 use CachetHQ\Tests\Cachet\AbstractTestCase;
+use Illuminate\Support\ServiceProvider;
+use ReflectionClass;
 
 /**
  * This is the event service provider test class.
  *
  * @author Graham Campbell <graham@alt-three.com>
+ * @author James Brooks <james@alt-three.com>
  */
 class EventServiceProviderTest extends AbstractTestCase
 {
     use EventServiceProviderTrait;
+
+    public function testIsAnEventServiceProvider()
+    {
+        $class = $this->getServiceProviderClass($this->app);
+
+        $reflection = new ReflectionClass($class);
+
+        $provider = new ReflectionClass(ServiceProvider::class);
+
+        $msg = "Expected class '$class' to be a service provider.";
+
+        $this->assertTrue($reflection->isSubclassOf($provider), $msg);
+    }
 }