Fix CS

Author: pmatseykanets

src/Card.php

@@ -356,7 +356,7 @@ public function addAttribute($attribute)
         }
 
         throw new InvalidArgumentException(
-            'Invalid attribute type. Expected '.CardAttribute::class.' or '. Closure::class.'.'
+            'Invalid attribute type. Expected '.CardAttribute::class.' or '.Closure::class.'.'
         );
     }
 

src/Exceptions/CouldNotSendNotification.php

@@ -55,6 +55,6 @@ public static function invalidMessageObject($message)
      */
     public static function internalError($exception = null)
     {
-        return new static("Error occurred while sending the message.", 0, $exception);
+        return new static('Error occurred while sending the message.', 0, $exception);
     }
 }

src/HipChatMessage.php

@@ -257,7 +257,7 @@ public function card($card)
         }
 
         throw new InvalidArgumentException(
-            'Invalid Card type. Expected '.Card::class.' or '. Closure::class.'.'
+            'Invalid Card type. Expected '.Card::class.' or '.Closure::class.'.'
         );
     }
 

tests/HipChatChannelTest.php

@@ -2,15 +2,15 @@
 
 namespace NotificationChannels\HipChat\Test;
 
-use Illuminate\Notifications\Notifiable;
 use Mockery;
-use NotificationChannels\HipChat\Exceptions\CouldNotSendNotification;
+use stdClass;
+use Illuminate\Notifications\Notifiable;
 use NotificationChannels\HipChat\HipChat;
 use Illuminate\Notifications\Notification;
 use NotificationChannels\HipChat\HipChatFile;
 use NotificationChannels\HipChat\HipChatChannel;
 use NotificationChannels\HipChat\HipChatMessage;
-use stdClass;
+use NotificationChannels\HipChat\Exceptions\CouldNotSendNotification;
 
 class HipChatChannelTest extends TestCase
 {
@@ -58,7 +58,6 @@ public function test_it_throws_exception_if_invalid_message_given()
             CouldNotSendNotification::invalidMessageObject(new stdClass())->getMessage()
         );
 
-
         $channel = new HipChatChannel($hipChat);
         $channel->send(new TestNotifiable(), new TestInvalidNotification());
     }