Fix compilation error

Author: mrmarcosmagalhaes

test/JsonApiDotNetCoreTests/IntegrationTests/Meta/RequestMetaTests.cs

@@ -504,8 +504,8 @@ await _testContext.RunOnDatabaseAsync(async dbContext =>
                     type = "supportTickets",
                     id = existingTicket2.StringId,
                     meta = identifierMeta2
-                },
-            }
+                }
+            },
             meta = documentMeta
         };