Merge branch 'develop' into feat/scenario2-workflow3-tests

src/common/tools/context_queries/__init__.py

src/common/tools/descriptor/Loader.py

src/common/tools/descriptor/Tools.py

src/common/tools/descriptor/__init__.py

src/common/tools/descriptor/old/BuildDescriptors.py

src/common/tools/descriptor/old/LoadDescriptors.py

src/common/tools/grpc/Constraints.py

src/common/tools/object_factory/Device.py

src/common/tools/object_factory/PolicyRule.py

src/common/tools/object_factory/Slice.py

src/common/type_checkers/Assertions.py

src/compute/Dockerfile

...rvice/rest_server/nbi_plugins/ietf_l2vpn/L2VPN_Service.py

...erver/nbi_plugins/ietf_l2vpn/L2VPN_SiteNetworkAccesses.py

src/compute/tests/PrepareTestScenario.py

src/compute/tests/test_unitary.py

src/context/client/ContextClient.py

src/context/client/EventsCollector.py

src/context/service/database/DeviceModel.py

src/context/service/database/PolicyRuleModel.py