OSMENG-1048 Implement day1 configuration for VDU

Day1 config implementation, arranging existing unit tests and imports
adding task and execution timeout policy for workflows in tests.

Change-Id: Ie5a2626eec01176723d8130576facbf4934d5285
Signed-off-by: Gulsum Atici <gulsum.atici@canonical.com>
diff --git a/osm_lcm/temporal/lcm_activities.py b/osm_lcm/temporal/lcm_activities.py
index 5f360f1..6ddb0f3 100644
--- a/osm_lcm/temporal/lcm_activities.py
+++ b/osm_lcm/temporal/lcm_activities.py
@@ -14,8 +14,8 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 import logging
-from temporalio import activity
 import time
+
 from osm_common.dataclasses.temporal_dataclasses import (
     NsLcmOperationInput,
     UpdateLcmOperationStateInput,
@@ -25,6 +25,7 @@
     ACTIVITY_NSLCM_NO_OP,
 )
 from osm_lcm.data_utils.database.database import Database
+from temporalio import activity
 
 
 class NsLcmActivity: