tests: phpcs: fix 'Opening brace must not be followed by a blank line' error

- fixes https://github.com/shaarli/Shaarli/issues/1818

application/api/exceptions/ApiException.php

@@ -12,7 +12,6 @@ use Slim\Http\Response;
  */
 abstract class ApiException extends \Exception
 {
-
     /**
      * @var Response instance from Slim.
      */

application/bookmark/exception/DatastoreNotInitializedException.php

@@ -6,5 +6,4 @@ namespace Shaarli\Bookmark\Exception;
 
 class DatastoreNotInitializedException extends \Exception
 {
-
 }

application/container/ShaarliContainer.php

@@ -51,5 +51,4 @@ use Slim\Container;
  */
 class ShaarliContainer extends Container
 {
-
 }

application/front/exceptions/CantLoginException.php

@@ -6,5 +6,4 @@ namespace Shaarli\Front\Exception;
 
 class CantLoginException extends \Exception
 {
-
 }

application/front/exceptions/UnauthorizedException.php

@@ -11,5 +11,4 @@ namespace Shaarli\Front\Exception;
  */
 class UnauthorizedException extends \Exception
 {
-
 }

tests/container/ShaarliTestContainer.php

@@ -38,5 +38,4 @@ use Shaarli\Thumbnailer;
  */
 class ShaarliTestContainer extends ShaarliContainer
 {
-
 }

tests/http/HttpUtils/GetIpAdressFromProxyTest.php

@@ -7,7 +7,6 @@ namespace Shaarli\Http;
  */
 class GetIpAdressFromProxyTest extends \Shaarli\TestCase
 {
-
     /**
      * Test without proxy
      */

tests/http/HttpUtils/IsHttpsTest.php

@@ -9,7 +9,6 @@ namespace Shaarli\Http;
  */
 class IsHttpsTest extends \Shaarli\TestCase
 {
-
     /**
      * Test is_https with HTTPS values.
      */