[1.8.x] + fix the test to echo only read part of the byte[]

Author: oleksiys

src/test/java/com/ning/http/client/async/BasicHttpsTest.java

@@ -128,7 +128,7 @@ public void handle(String pathInContext, Request r, HttpServletRequest httpReque
                     pos += read;
                 }
 
-                httpResponse.getOutputStream().write(bytes);
+                httpResponse.getOutputStream().write(bytes, 0, pos + 1); // (pos + 1) because last read added -1
             }
 
             httpResponse.setStatus(200);