(start): Use serial number 999 instead of 1000 to ease debugging.

src/server/testsuite/lyskomd.0/bug-52.exp

@@ -56,9 +56,9 @@ proc start {} {
     talk_to client 0
     send "A3Hfoo\n"
     simple_expect "LysKOM"
-    send "1000 62 5 [holl "gazonk"] 0\n"
+    send "999 62 5 [holl "gazonk"] 0\n"
     simple_expect ":2 9 5 1"
-    simple_expect "=1000"
+    simple_expect "=999"
 }
 
 proc stop {} {