add disk monitoring

Author: sanderegg

services/storage/tests/conftest.py

@@ -82,6 +82,7 @@
     "pytest_simcore.aws_s3_service",
     "pytest_simcore.aws_server",
     "pytest_simcore.cli_runner",
+    "pytest_simcore.disk_usage_monitoring",
     "pytest_simcore.docker_compose",
     "pytest_simcore.docker_swarm",
     "pytest_simcore.environment_configs",