+ """Push the results of TestCase to the DB.
+
+ It allows publishing the results and to check the status.
+
+ It could be overriden if the common implementation is not
+ suitable. The following attributes must be set before pushing
+ the results to DB:
+ * project_name,
+ * case_name,
+ * criteria,
+ * start_time,
+ * stop_time.
+
+ Returns:
+ TestCase.EX_OK if results were pushed to DB.
+ TestCase.EX_PUSH_TO_DB_ERROR otherwise.
+ """