diff -r caa6694dac45 -r f91f98e9834a tests/testlib/badserverext.py
--- a/tests/testlib/badserverext.py	Fri Jan 21 01:07:50 2022 +0100
+++ b/tests/testlib/badserverext.py	Sun Jan 23 21:25:01 2022 +0100
@@ -284,8 +284,8 @@
 
         # No byte limit on this operation. Call original function.
         if not remaining:
+            result = object.__getattribute__(self, '_orig').write(data)
             self._writelog(b'write(%d) -> %s' % (len(data), data))
-            result = object.__getattribute__(self, '_orig').write(data)
             return result
 
         if len(data) > remaining:
@@ -295,13 +295,13 @@
 
         remaining -= len(newdata)
 
+        result = object.__getattribute__(self, '_orig').write(newdata)
+
         self._writelog(
             b'write(%d from %d) -> (%d) %s'
             % (len(newdata), len(data), remaining, newdata)
         )
 
-        result = object.__getattribute__(self, '_orig').write(newdata)
-
         object.__getattribute__(self, '_cond').remaining_send_bytes = remaining
 
         if remaining <= 0: