OZG-3328 cleanup and add helm tests for keycloak operator

...elm/crds/operator.ozgcloud.de_OzgKeycloakClient_test.yaml

.../crds/operator.ozgcloud.de_OzgKeycloakClient_v1_test.yaml

...helm/crds/operator.ozgcloud.de_OzgKeycloakGroup_test.yaml

...m/crds/operator.ozgcloud.de_OzgKeycloakGroup_v1_test.yaml

...elm/crds/operator.ozgcloud.de_OzgKeycloakRealms_test.yaml

.../crds/operator.ozgcloud.de_OzgKeycloakRealms_v1_test.yaml

.../helm/crds/operator.ozgcloud.de_OzgKeycloakUser_test.yaml

...lm/crds/operator.ozgcloud.de_OzgKeycloakUser_v1_test.yaml

...-keycloak-operator/src/test/helm/deployment_env_test.yaml

...k-operator/src/test/helm/deployment_matchlabels_test.yaml

...erator/src/test/helm/deployment_metadata_labels_test.yaml

...k-operator/src/test/helm/deployment_pull_secret_test.yaml

...oak-operator/src/test/helm/deployment_resources_test.yaml

...loud-keycloak-operator/src/test/helm/deployment_test.yaml

.../src/test/helm/rbacs/keycloak_admin_secret_read_test.yaml

...loak-operator/src/test/helm/rbacs/keycloak_read_test.yaml

...oak-operator/src/test/helm/rbacs/keycloak_write_test.yaml