Bug 2006 fixed: removed the while true from K8sHelmBaseConnector._store_status

Made the necessary refactor and fixed the tests accordingly. Now, the
`_store_status` method is not executed forever, it is only executed once
each time is called.

Change-Id: Ia96ab3152fe7f838d1b81dd02c2d22373b805f4a
Signed-off-by: Pedro Escaleira <escaleira@av.it.pt>
diff --git a/n2vc/k8s_conn.py b/n2vc/k8s_conn.py
index cfc4359..632ac29 100644
--- a/n2vc/k8s_conn.py
+++ b/n2vc/k8s_conn.py
@@ -411,6 +411,18 @@
     async def write_app_status_to_db(
         self, db_dict: dict, status: str, detailed_status: str, operation: str
     ) -> bool:
+        """
+        This method will write the status of the application to the database.
+
+        :param db_dict: A dictionary with the database necessary information. It shall contain the values for the keys:
+            - "collection": The Mongo DB collection to write to
+            - "filter": The query filter to use in the update process
+            - "path": The dot separated keys which targets the object to be updated
+        :param status: Status of the application
+        :param detailed_status: Detailed status of the application
+        :param operation: Operation that is being performed on the application
+        :return: True if successful
+        """
 
         if not self.db:
             self.warning("No db => No database write")