[=] fix massive header casetest error (#460)

scripts/case_test.sh

@@ -1323,13 +1323,14 @@ fi
 
 
 killall test_server 2> /dev/null
+sudo rm -rf stdlog
 ${SERVER_BIN} -l d -e -x 8 > /dev/null &
 sleep 1
 
 clear_log
 rm -f test_session xqc_token tp_localhost
 echo -e "server amplification limit ...\c"
-${CLIENT_BIN} -s 1024 -l d -t 3 -x 25 -1 >> clog
+${CLIENT_BIN} -s 1024 -l d -t 3 -x 25 -1 >> stdlog
 enter_aal=`grep "amplification limit" slog`
 aal=`grep "blocked by anti amplification limit" slog`
 leave_aal=`grep "anti-amplification state unlock" slog`
@@ -1343,12 +1344,13 @@ fi
 
 
 killall test_server 2> /dev/null
+sudo rm -rf stdlog
 ${SERVER_BIN} -l e -e -x 10 > /dev/null &
 sleep 1
 clear_log
 echo -e "massive requests with massive header ...\c"
-${CLIENT_BIN} -l e -q 50 -n 100 -x 32 -E >> clog
-result=`grep ">>>>>>>> pass:1" clog`
+sudo ${CLIENT_BIN} -l e -q 50 -n 100 -x 32 -E >> stdlog
+result=`grep ">>>>>>>> pass:1" stdlog`
 errlog=`grep_err_log`
 if [ -z "$errlog" ] && [ "$result" != "" ]; then
     echo ">>>>>>>> pass:1"
@@ -1358,6 +1360,7 @@ else
     case_print_result "massive_requests_with_massive_header" "fail"
 fi
 
+sudo rm -rf clog slog stdlog test_session xqc_token tp_localhost
 killall test_server 2> /dev/null
 ${SERVER_BIN} -l d -e -b > /dev/null &
 sleep 1