test suite: stop conversion of valid output to CRLF on Windows

Since the output isn't actually being written in text-mode and it
was rather used as a workaround, disable text-mode for these tests.

tests/data/test1081

@@ -57,7 +57,7 @@ Host: %HOSTIP:%HTTPPORT
 Accept: */*
 
 </protocol>
-<stdout mode="text">
+<stdout>
 HTTP/1.1 301 This is a weirdo text message swsclose
 Location: data/10810099.txt?coolsite=yes
 Content-Length: 62