diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 36b3cc5..8304518 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -33,4 +33,4 @@ jobs:
         run: |
           echo Test
           coverage run -m unittest || exit 1
-          [ -n "$CODACY_PROJECT_TOKEN" ] && coverage xml -o cobertura.xml && bash <(curl -Ls https://coverage.codacy.com/get.sh) report -r cobertura.xml
+          [ -n "$CODACY_PROJECT_TOKEN" ] && coverage combine && coverage xml -o cobertura.xml && bash <(curl -Ls https://coverage.codacy.com/get.sh) report -r cobertura.xml
diff --git a/test/test_unit.py b/test/test_unit.py
index 060ff1d..57cfc41 100644
--- a/test/test_unit.py
+++ b/test/test_unit.py
@@ -71,7 +71,8 @@ class TestUnit(unittest.TestCase):
             myp.abrp.abrp_enable_vin.add(car.vin)
             res = myp.get_vehicle_info(myp.vehicles_list[0].vin)
             myp.abrp.call(car, 22.1)
-            libs.config.save_config()
+            libs.config.Config().myp = myp
+            libs.config.Config().save_config()
             assert isinstance(get_temp(str(latitude), str(longitude), myp.weather_api), float)
 
     def test_car_model(self):
@@ -94,7 +95,7 @@ class TestUnit(unittest.TestCase):
             Ecomix.co2_signal_key = key
             def_country = "FR"
             Ecomix.get_data_from_co2_signal(latitude, longitude, def_country)
-            res = Ecomix.get_co2_from_signal_cache(datetime.now() - timedelta(minutes=5), datetime.now(), def_country)
+            res = Ecomix.get_co2_from_signal_cache(datetime.utcnow().replace(tzinfo=UTC) - timedelta(minutes=5), datetime.now(), def_country)
             assert isinstance(res, float)
 
     def test_charge_control(self):