Modify tests so they all work with evhtp and backend config, eg that CLICON_RESTCONF_CONFIG is default true.

Note that some tests are forced to CLICON_RESTCONF_CONFIG is false due to test complexities.

test/test_upgrade_interfaces.sh

@@ -270,21 +270,9 @@ testrun(){
     new "waiting"
     wait_backend
     
-    new "kill old restconf daemon"
-    stop_restconf_pre
-
-    new "start restconf daemon"
-    start_restconf -f $cfg
-
-    new "waiting"
-    wait_restconf
-
     new "Check running db content"
     expecteof "$clixon_netconf -qf $cfg" 0 "<rpc $DEFAULTNS><get-config><source><running/></source></get-config></rpc>]]>]]>" "^<rpc-reply $DEFAULTNS><data>$runxml</data></rpc-reply>]]>]]>$"
 
-    new "Kill restconf daemon"
-    stop_restconf
-
     if [ $BE -ne 0 ]; then
 	new "Kill backend"
 	# Check if premature kill