test-extra: fix Knot.ctl()

tests-extra/tests/zone/force-refresh/test.py

@@ -3,7 +3,7 @@
 '''Test for reload of a changed zone (serial up, nochange, serial down). '''
 
 from dnstest.test import Test
-from dnstest.utils import set_err, detail_log
+from dnstest.utils import *
 
 t = Test()
 

tests-extra/tools/dnstest/server.py

@@ -997,7 +997,7 @@ class Knot(Server):
 
     def ctl(self, params):
         try:
-            check_call([self.control_bin] + self.start_params + params.split,
+            check_call([self.control_bin] + self.start_params + params.split(),
                        stdout=open(self.dir + "/call.out", mode="a"),
                        stderr=open(self.dir + "/call.err", mode="a"))
             time.sleep(Server.START_WAIT)