Undo this LocalSocket fiasco, fix tests for latest phpunit

tests/Monolog/Handler/DynamoDbHandlerTest.php

@@ -25,7 +25,8 @@ class DynamoDbHandlerTest extends TestCase
 
         $this->client = $this->getMockBuilder('Aws\DynamoDb\DynamoDbClient')
             ->setMethods(['formatAttributes', '__call'])
-            ->disableOriginalConstructor()->getMock();
+            ->disableOriginalConstructor()
+            ->getMock();
     }
 
     public function testConstruct()