Update mail/sympl/test.d/tc_exim4.rb

mail/sympl/test.d/tc_exim4.rb

@@ -406,7 +406,10 @@ class Exim4ConfigTest < Test::Unit::TestCase
     do_acl_script('exim4_acl_tests/antivirus_accept')
 
     FileUtils.touch(File.join(config_dir, "antivirus"))
-    sleep 3
+    # Fairly hacky way to ensure clamAV is up and running - stopping it, starting it and waiting for it to say it's loaded sigs
+    # deals with an annoying race condition under load testing, where it hasnt finished reading sigs before the tests get to it
+    system('sync ; date=$(date "+%Y-%m-%d %H:%M") ; systemctl reload clamav-daemon.service ; timeout 120 journalctl -u clamav-daemon.service --since="$date" --follow | while read line ; do echo $line ; if [ $( echo $line | grep -c "[0-9]* signatures" ) -eq 1 ]; then killall "journalctl" ; fi ; done ; sleep 1')
+
     # OK the file is there now, so reject (as per default)
     do_acl_script('exim4_acl_tests/antivirus_reject')