Replace deprecated field

Author: yoanm

Diff for: src/Listener/ServerDocCreatedListener.php

@@ -64,14 +64,13 @@ public function appendJsonRpcServerErrorsDoc(ServerDocCreatedEvent $event) : voi
             (new ErrorDoc('Internal error', JsonRpcInternalErrorException::CODE))
                 ->setDataDoc(
                     (new ObjectDoc())
-                        ->setAllowMissingSibling(false)
+                        ->setAllowMissingSibling(true)
                         ->setAllowExtraSibling(false)
                         ->setRequired(false)
-                        ->addSibling(
-                            (new StringDoc())
-                                ->setName(JsonRpcInternalErrorException::DATA_PREVIOUS_KEY)
-                                ->setDescription('Previous error message')
-                        )
+                        ->addSibling((new ArrayDoc())->setName('_class'))
+                        ->addSibling((new ArrayDoc())->setName('_code'))
+                        ->addSibling((new ArrayDoc())->setName('_message'))
+                        ->addSibling((new ArrayDoc())->setName('_trace'))
                 )
         );
     }

Diff for: tests/Functional/Listener/ServerDocCreatedListenerTest.php

@@ -98,14 +98,14 @@ public function testInternalErrorShouldHaveRightDataDoc()
         $this->assertNotNull($internalError->getDataDoc());
         $this->assertEquals(
             (new ObjectDoc())
-                ->setAllowMissingSibling(false)
+                ->setAllowMissingSibling(true)
                 ->setAllowExtraSibling(false)
                 ->setRequired(false)
-                ->addSibling(
-                    (new StringDoc())
-                        ->setName(JsonRpcInternalErrorException::DATA_PREVIOUS_KEY)
-                        ->setDescription('Previous error message')
-                ),
+                ->addSibling((new ArrayDoc())->setName('_class'))
+                ->addSibling((new ArrayDoc())->setName('_code'))
+                ->addSibling((new ArrayDoc())->setName('_message'))
+                ->addSibling((new ArrayDoc())->setName('_trace'))
+            ,
             $internalError->getDataDoc()
         );
     }