Fix MockMicrogrid add_chps method to can create chp without meter

Previously if no_meter was True, meter was created but
didn't send values. Now no meter is created.
No tests are failing after this change

Signed-off-by: Elzbieta Kotulska <[email protected]>

Author: ela-kotulska-frequenz

tests/timeseries/mock_microgrid.py

@@ -362,34 +362,31 @@ def add_chps(self, count: int, no_meters: bool = False) -> None:
             no_meters: if True, do not add a meter for each CHP.
         """
         for _ in range(count):
-            meter_id = self._id_increment * 10 + self.meter_id_suffix
             chp_id = self._id_increment * 10 + self.chp_id_suffix
-            self._id_increment += 1
-
-            self.meter_ids.append(meter_id)
             self.chp_ids.append(chp_id)
-
-            if not no_meters:
-                self._components.add(
-                    Component(
-                        meter_id,
-                        ComponentCategory.METER,
-                    )
-                )
             self._components.add(
                 Component(
                     chp_id,
                     ComponentCategory.CHP,
                 )
             )
-
-            self._start_meter_streaming(meter_id)
             if no_meters:
                 self._connections.add(Connection(self._connect_to, chp_id))
             else:
+                meter_id = self._id_increment * 10 + self.meter_id_suffix
+                self.meter_ids.append(meter_id)
+                self._components.add(
+                    Component(
+                        meter_id,
+                        ComponentCategory.METER,
+                    )
+                )
+                self._start_meter_streaming(meter_id)
                 self._connections.add(Connection(self._connect_to, meter_id))
                 self._connections.add(Connection(meter_id, chp_id))
 
+            self._id_increment += 1
+
     def add_batteries(self, count: int, no_meter: bool = False) -> None:
         """Add batteries with connected inverters and meters to the microgrid.