Some tests and package refactor

build.gradle

...portal/api/configuration/ConfigurationControllerTest.java

...t/geant/nmaas/portal/api/user/UsersControllerIntTest.java

...t/nmaas/portal/service/impl/BulkDomainServiceIntTest.java

...maas/portal/service/impl/LocalFileStorageServiceTest.java

...net/geant/nmaas/kubernetes/KubernetesConnectorHelper.java

.../nmservice/configuration/gitlab/GitLabEventsListener.java

.../containerorchestrators/kubernetes/KubernetesManager.java

...net/geant/nmaas/notifications/NotificationController.java

...va/net/geant/nmaas/notifications/NotificationManager.java

...nt/nmaas/notifications/types/service/FormTypeService.java

...geant/nmaas/orchestration/DefaultAppLifecycleManager.java

...net/geant/nmaas/orchestration/jobs/DomainCreationJob.java

...va/net/geant/nmaas/orchestration/jobs/DomainGroupJob.java

src/main/java/net/geant/nmaas/portal/PortalConfig.java

.../net/geant/nmaas/portal/api/auth/BasicAuthController.java

...a/net/geant/nmaas/portal/api/auth/OIDCAuthController.java

.../java/net/geant/nmaas/portal/api/bulk/BulkController.java

...net/geant/nmaas/portal/api/bulk/model/BulkAppDetails.java

.../nmaas/portal/api/bulk/model/BulkDeploymentEntryView.java