caddy-frontend/test: Improve untilSlavePartitionReady

It is ready when all on-watch processes are not EXITED.

software/caddy-frontend/test/test.py

@@ -736,6 +736,14 @@ class SlaveHttpFrontendTestCase(HttpFrontendTestCase):
 
   @classmethod
   def untilSlavePartitionReady(cls):
+    # all on-watch services shall not be exited
+    for process in cls.getSupervisorRPCServer()\
+      .supervisor.getAllProcessInfo():
+      if process['name'].endswith('-on-watch') and \
+        process['statename'] == 'EXITED':
+        if process['name'].startswith('monitor-http'):
+          continue
+        return False
     for slave_reference, partition_parameter_kw in cls\
             .getSlaveParameterDictDict().items():
       parameter_dict = cls.slapos_controler.slap.registerOpenOrder().request(
@@ -768,10 +776,6 @@ class SlaveHttpFrontendTestCase(HttpFrontendTestCase):
     # run partition for slaves to be setup
     cls.runComputerPartitionUntil(
       cls.untilSlavePartitionReady)
-    # run once more slapos node instance, as kedifa-updater sets up
-    # certificates needed for caddy-frontend, and on this moment it can be
-    # not started yet
-    cls.runComputerPartition(max_quantity=1)
     for slave_reference, partition_parameter_kw in cls\
             .getSlaveParameterDictDict().items():
       slave_instance = request(