Remove NO_VALGRIND from tests that can be safely run with valgrind.
Remove NO_VALGRIND from tests that can be safely run with valgrind.

This does unfortunately increase test execution time.

advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr