fix windows test

tests/automatic/curl_http_client/curl_http_client_command/check_windows.bat

@@ -13,6 +13,8 @@ ping 1.0.0.0 -n 1 -w 100 > nul
 mkdir %file_transfer_folder%
 echo | set /p dummyName="hello" > %file_transfer_folder%\aaa
 
+python3 -c "import os;fout=open('%file_transfer_folder%\\random', 'wb');fout.write(os.urandom(100000))"
+
 "%1"  127.0.0.1:5007 127.0.0.1:5008 %file_transfer_folder%   || goto :error
 
 type bbb | findstr /c:"hello"  || goto :error
@@ -27,5 +29,5 @@ exit /b 1
 c:\opt\consul\nomad stop authorizer
 c:\opt\consul\nomad stop file_transfer
 rmdir /S /Q %file_transfer_folder%
-del /f bbb
+del /f bbb random