Add validation for MR to be ready after it is GA (#574)

* change: add validation for MR to be ready after it is GA

* change: use registerd namespace

* change: assert ns name based on distribution

* change: split test and use fixture for the dsc_resource

---------

Co-authored-by: Debarati Basu-Nag <dbasunag@redhat.com>

Author: fege

tests/model_registry/cluster_health/test_mr_default.py

@@ -0,0 +1,39 @@
+import pytest
+from utilities.constants import DscComponents
+
+from ocp_resources.data_science_cluster import DataScienceCluster
+from ocp_resources.namespace import Namespace
+
+from simple_logger.logger import get_logger
+from pytest_testconfig import config as py_config
+
+
+LOGGER = get_logger(name=__name__)
+
+
+@pytest.mark.cluster_health
+class TestMrDefault:
+    def test_mr_management_state(self, dsc_resource: DataScienceCluster):
+        """Verify MODELREGISTRY managementState is MANAGED in DSC."""
+        assert (
+            dsc_resource.instance.spec.components[DscComponents.MODELREGISTRY].managementState
+            == DscComponents.ManagementState.MANAGED
+        )
+
+    def test_mr_namespace_exists_and_active(self, dsc_resource: DataScienceCluster):
+        """Verify MR namespace exists and is in Active state."""
+        namespace = Namespace(
+            name=dsc_resource.instance.spec.components[DscComponents.MODELREGISTRY].registriesNamespace,
+            ensure_exists=True,
+        )
+        assert namespace.instance.status.phase == Namespace.Status.ACTIVE
+        assert namespace.instance.metadata.name == py_config["model_registry_namespace"]
+
+    def test_mr_condition_in_dsc(self, dsc_resource: DataScienceCluster):
+        """Verify MR ready condition is True in DSC."""
+        for condition in dsc_resource.instance.status.conditions:
+            if condition.type == DscComponents.COMPONENT_MAPPING[DscComponents.MODELREGISTRY]:
+                assert condition.status == "True"
+                break
+        else:
+            pytest.fail("MR ready condition not found in DSC")