Remove extra stream

tests/ImageSharp.Tests/Formats/GeneralFormatTests.cs

@@ -5,9 +5,7 @@
 
 namespace ImageSharp.Tests
 {
-    using System;
     using System.IO;
-    using System.Numerics;
 
     using Xunit;
 
@@ -145,19 +143,14 @@ namespace ImageSharp.Tests
             {
                 byte[] serialized;
                 using (Image image = file.CreateImage())
-                {
                 using (MemoryStream memoryStream = new MemoryStream())
                 {
                     image.Save(memoryStream);
                     memoryStream.Flush();
                     serialized = memoryStream.ToArray();
                 }
-                }
 
-                using (MemoryStream memoryStream = new MemoryStream(serialized))
+                using (Image image2 = new Image(serialized))
-                {
-                    using (Image image2 = new Image(memoryStream))
-                    {
                 using (FileStream output = File.OpenWrite($"{path}/{file.FileName}"))
                 {
                     image2.Save(output);
@@ -165,6 +158,4 @@ namespace ImageSharp.Tests
             }
         }
     }
-        }
-    }
 }