diff --git a/ocs_ci/ocs/cluster.py b/ocs_ci/ocs/cluster.py
index e02527b62b5..21f2c322e9c 100644
--- a/ocs_ci/ocs/cluster.py
+++ b/ocs_ci/ocs/cluster.py
@@ -1235,7 +1235,7 @@ def validate_pdb_creation():
 
     """
     pdb_obj = ocp.OCP(
-        kind="PodDisruptionBudget", namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+        kind="PodDisruptionBudget", namespace=config.ENV_DATA["cluster_namespace"]
     )
     item_list = pdb_obj.get().get("items")
     pdb_count = constants.PDB_COUNT
diff --git a/ocs_ci/ocs/must_gather/must_gather.py b/ocs_ci/ocs/must_gather/must_gather.py
index 2e05d47648a..6cdf1a85503 100644
--- a/ocs_ci/ocs/must_gather/must_gather.py
+++ b/ocs_ci/ocs/must_gather/must_gather.py
@@ -15,10 +15,7 @@
     GATHER_COMMANDS_LOG,
 )
 from ocs_ci.utility import version
-from ocs_ci.ocs.constants import (
-    OPENSHIFT_STORAGE_NAMESPACE,
-    MANAGED_SERVICE_PLATFORMS,
-)
+from ocs_ci.ocs.constants import MANAGED_SERVICE_PLATFORMS
 
 
 logger = logging.getLogger(__name__)
@@ -151,7 +148,7 @@ def compare_running_pods(self):
         """
         if self.type_log != "OTHERS":
             return
-        pod_objs = get_all_pods(namespace=OPENSHIFT_STORAGE_NAMESPACE)
+        pod_objs = get_all_pods(namespace=config.ENV_DATA["cluster_namespace"])
         pod_names = []
         logger.info("Get pod names on openshift-storage project")
         for pod in pod_objs:
diff --git a/ocs_ci/ocs/resources/pod.py b/ocs_ci/ocs/resources/pod.py
index a1a69779e2d..35766662db2 100644
--- a/ocs_ci/ocs/resources/pod.py
+++ b/ocs_ci/ocs/resources/pod.py
@@ -3324,7 +3324,7 @@ def check_ceph_cmd_execute_successfully():
 def search_pattern_in_pod_logs(
     pod_name,
     pattern,
-    namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+    namespace=config.ENV_DATA["cluster_namespace"],
     container=None,
     all_containers=False,
 ):
diff --git a/ocs_ci/ocs/resources/storage_cluster.py b/ocs_ci/ocs/resources/storage_cluster.py
index ae4d9bc4368..849f24fde34 100644
--- a/ocs_ci/ocs/resources/storage_cluster.py
+++ b/ocs_ci/ocs/resources/storage_cluster.py
@@ -1289,7 +1289,7 @@ def get_in_transit_encryption_config_state():
 
     ocp_obj = StorageCluster(
         resource_name=cluster_name,
-        namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
     )
 
     try:
@@ -1326,7 +1326,7 @@ def set_in_transit_encryption(enabled=True):
 
     ocp_obj = StorageCluster(
         resource_name=cluster_name,
-        namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
     )
 
     patch = {"spec": {"network": {"connections": {"encryption": {"enabled": enabled}}}}}
@@ -2397,7 +2397,7 @@ class names. If a resource does not have a storage class name, it will be set to
     """
     sc_obj = ocp.OCP(
         kind=constants.STORAGECLUSTER,
-        namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
     )
 
     keys_to_search = [
@@ -2579,7 +2579,7 @@ def validate_serviceexport():
 
     """
     serviceexport = OCP(
-        kind="ServiceExport", namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+        kind="ServiceExport", namespace=config.ENV_DATA["cluster_namespace"]
     )
     osd_count = 0
     mon_count = 0
diff --git a/ocs_ci/ocs/scale_noobaa_lib.py b/ocs_ci/ocs/scale_noobaa_lib.py
index ad4df41bf0c..87b04f03f2b 100644
--- a/ocs_ci/ocs/scale_noobaa_lib.py
+++ b/ocs_ci/ocs/scale_noobaa_lib.py
@@ -344,10 +344,10 @@ def get_pod_obj(pod_name):
     pod_obj = pod.get_pod_obj(
         (
             get_pod_name_by_pattern(
-                pattern=pod_name, namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+                pattern=pod_name, namespace=config.ENV_DATA["cluster_namespace"]
             )
         )[0],
-        namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
     )
     return pod_obj
 
diff --git a/tests/conftest.py b/tests/conftest.py
index a05e891ccea..6b08b0c188c 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -711,7 +711,8 @@ def factory(
             )
         elif interface == constants.CEPHFILESYSTEM:
             cfs = ocp.OCP(
-                kind=constants.CEPHFILESYSTEM, namespace=defaults.ROOK_CLUSTER_NAMESPACE
+                kind=constants.CEPHFILESYSTEM,
+                namespace=ocsci_config.ENV_DATA["cluster_namespace"],
             ).get(defaults.CEPHFILESYSTEM_NAME)
             ceph_pool_obj = OCS(**cfs)
         assert ceph_pool_obj, f"Failed to create {interface} pool"
@@ -2521,7 +2522,9 @@ def scale_cli_fixture(request, scope_name):
     assert scalecli_pod_obj.create(
         do_reload=True
     ), f"Failed to create pod {scalecli_pod_name}"
-    OCP(namespace=defaults.ROOK_CLUSTER_NAMESPACE, kind="ConfigMap").wait_for_resource(
+    OCP(
+        namespace=ocsci_config.ENV_DATA["cluster_namespace"], kind="ConfigMap"
+    ).wait_for_resource(
         resource_name=service_ca_configmap.name, column="DATA", condition="1"
     )
     helpers.wait_for_resource_state(
@@ -4317,7 +4320,7 @@ def nb_ensure_endpoint_count(request):
     max_ep_count = cls.MAX_ENDPOINT_COUNT
 
     assert min_ep_count <= max_ep_count
-    namespace = defaults.ROOK_CLUSTER_NAMESPACE
+    namespace = ocsci_config.ENV_DATA["cluster_namespace"]
     should_wait = False
 
     # prior to 4.6 we configured the ep count directly on the noobaa cr.
@@ -5885,7 +5888,7 @@ def patch_consumer_toolbox_with_secret():
 
             consumer_tools_deployment = OCP(
                 kind=constants.DEPLOYMENT,
-                namespace=defaults.ROOK_CLUSTER_NAMESPACE,
+                namespace=ocsci_config.ENV_DATA["cluster_namespace"],
                 resource_name="rook-ceph-tools",
             )
             patch_value = (
@@ -5905,7 +5908,7 @@ def patch_consumer_toolbox_with_secret():
             # Wait for the new tools pod to reach Running state
             new_tools_pod_info = get_pods_having_label(
                 label=constants.TOOL_APP_LABEL,
-                namespace=defaults.ROOK_CLUSTER_NAMESPACE,
+                namespace=ocsci_config.ENV_DATA["cluster_namespace"],
             )[0]
             new_tools_pod = Pod(**new_tools_pod_info)
             helpers.wait_for_resource_state(new_tools_pod, constants.STATUS_RUNNING)
@@ -6548,7 +6551,9 @@ def fedora_pod_fixture(request, scope_name):
     assert fedora_pod_obj.create(
         do_reload=True
     ), f"Failed to create Pod {fedora_pod_name}"
-    OCP(namespace=defaults.ROOK_CLUSTER_NAMESPACE, kind="ConfigMap").wait_for_resource(
+    OCP(
+        namespace=ocsci_config.ENV_DATA["cluster_namespace"], kind="ConfigMap"
+    ).wait_for_resource(
         resource_name=service_ca_configmap.name, column="DATA", condition="1"
     )
     helpers.wait_for_resource_state(
@@ -6650,7 +6655,7 @@ def change_the_noobaa_log_level(request):
     noobaa_cm = OCP(
         kind="configmap",
         resource_name="noobaa-config",
-        namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=ocsci_config.ENV_DATA["cluster_namespace"],
     )
 
     def factory(level="all"):
@@ -6685,7 +6690,9 @@ def add_env_vars_to_noobaa_core_fixture(request, mcg_obj_session):
     Add env vars to the noobaa-core sts
 
     """
-    sts_obj = OCP(kind="StatefulSet", namespace=defaults.ROOK_CLUSTER_NAMESPACE)
+    sts_obj = OCP(
+        kind="StatefulSet", namespace=ocsci_config.ENV_DATA["cluster_namespace"]
+    )
     yaml_path_to_env_variables = "/spec/template/spec/containers/0/env"
     op_template_dict = {"op": "", "path": "", "value": {"name": "", "value": ""}}
 
diff --git a/tests/disaster-recovery/regional-dr/test_managed_cluster_node_failure.py b/tests/disaster-recovery/regional-dr/test_managed_cluster_node_failure.py
index a75b4d2c47b..908c4395068 100644
--- a/tests/disaster-recovery/regional-dr/test_managed_cluster_node_failure.py
+++ b/tests/disaster-recovery/regional-dr/test_managed_cluster_node_failure.py
@@ -39,7 +39,7 @@ class TestManagedClusterNodeFailure:
         },
         "rbd-mirror": {
             "label": constants.RBD_MIRROR_APP_LABEL,
-            "namespace": constants.OPENSHIFT_STORAGE_NAMESPACE,
+            "namespace": config.ENV_DATA["cluster_namespace"],
         },
         "submariner-gateway": {
             "label": constants.SUBMARINER_GATEWAY_ACTIVE_LABEL,
diff --git a/tests/e2e/kcs/test_disable_mcg_external_service.py b/tests/e2e/kcs/test_disable_mcg_external_service.py
index 87034621280..52b2e1476e4 100644
--- a/tests/e2e/kcs/test_disable_mcg_external_service.py
+++ b/tests/e2e/kcs/test_disable_mcg_external_service.py
@@ -3,7 +3,7 @@
 
 from ocs_ci.utility.utils import TimeoutSampler
 from ocs_ci.ocs.ocp import OCP
-from ocs_ci.ocs import constants
+from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import (
     tier2,
     polarion_id,
@@ -23,7 +23,7 @@ def patch_noobaa_object(self, request):
         # get noobaa object
         noobaa_ocp_obj = OCP(
             kind="noobaa",
-            namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+            namespace=config.ENV_DATA["cluster_namespace"],
             resource_name="noobaa",
         )
 
@@ -73,7 +73,7 @@ def test_disable_mcg_external_service(self, patch_noobaa_object):
 
         # verify that services are now Cluster IP
         service_obj = OCP(
-            kind="service", namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+            kind="service", namespace=config.ENV_DATA["cluster_namespace"]
         )
         services = ["s3", "sts"]
 
diff --git a/tests/e2e/kcs/test_selinux_relabel_solution.py b/tests/e2e/kcs/test_selinux_relabel_solution.py
index dc667d0912f..a4f2fc07328 100644
--- a/tests/e2e/kcs/test_selinux_relabel_solution.py
+++ b/tests/e2e/kcs/test_selinux_relabel_solution.py
@@ -39,7 +39,7 @@ def create_deploymentconfig_pod(self, **kwargs):
             pod_obj = helpers.create_pod(
                 interface_type=constants.CEPHFS_INTERFACE,
                 pvc_name=self.pvc_obj.name,
-                namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+                namespace=config.ENV_DATA["cluster_namespace"],
                 sa_name=self.service_account_obj.name,
                 dc_deployment=True,
                 pod_dict_path=constants.PERF_DC_YAML,
@@ -135,7 +135,7 @@ def apply_selinux_solution_on_existing_pvc(self, pvc_obj):
             }
         ]
         ocp_pvc = ocp.OCP(
-            kind=constants.PVC, namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+            kind=constants.PVC, namespace=config.ENV_DATA["cluster_namespace"]
         )
         ocp_pvc.patch(
             resource_name=self.pvc_obj.name,
@@ -157,7 +157,7 @@ def get_pod_start_time(self, pod_name):
         """
         try:
             # Get the pod conditions
-            pod = ocp.OCP(kind="pod", namespace=constants.OPENSHIFT_STORAGE_NAMESPACE)
+            pod = ocp.OCP(kind="pod", namespace=config.ENV_DATA["cluster_namespace"])
             conditions = pod.exec_oc_cmd(
                 f"get pod {pod_name} -n openshift-storage -o jsonpath='{{.status.conditions}}'"
             )
@@ -218,7 +218,7 @@ def test_selinux_relabel_for_existing_pvc(
 
         """
         self.ocp_project = ocp.OCP(
-            kind=constants.NAMESPACE, namespace=constants.OPENSHIFT_STORAGE_NAMESPACE
+            kind=constants.NAMESPACE, namespace=config.ENV_DATA["cluster_namespace"]
         )
 
         # Create cephfs pvc
@@ -249,7 +249,7 @@ def test_selinux_relabel_for_existing_pvc(
         # Get the md5sum of some random files
         data_path = f"{constants.FLEXY_MNT_CONTAINER_DIR}"
         num_of_files = random.randint(3, 9)
-        pod = ocp.OCP(kind="pod", namespace=constants.OPENSHIFT_STORAGE_NAMESPACE)
+        pod = ocp.OCP(kind="pod", namespace=config.ENV_DATA["cluster_namespace"])
         random_files = pod.exec_oc_cmd(
             f"exec -it {self.pod_obj.name} -- /bin/bash"
             f' -c "find {data_path} -type f | "shuf" -n {num_of_files}"',
@@ -296,7 +296,7 @@ def test_selinux_relabel_for_existing_pvc(
         node_name = res_pod.get_pod_node(pod_obj=self.pod_obj).name
 
         # Check SeLinux Relabeling is set to false
-        oc_cmd = ocp.OCP(namespace=constants.OPENSHIFT_STORAGE_NAMESPACE)
+        oc_cmd = ocp.OCP(namespace=config.ENV_DATA["cluster_namespace"])
         cmd1 = "crictl inspect $(crictl ps --name perf -q)"
         output = oc_cmd.exec_oc_debug_cmd(node=node_name, cmd_list=[cmd1])
         key = '"selinuxRelabel": false'
diff --git a/tests/e2e/scale/noobaa/test_scale_obc_start_time_respin_noobaa_pods.py b/tests/e2e/scale/noobaa/test_scale_obc_start_time_respin_noobaa_pods.py
index b7f459374fe..fbb6d7cf8d0 100644
--- a/tests/e2e/scale/noobaa/test_scale_obc_start_time_respin_noobaa_pods.py
+++ b/tests/e2e/scale/noobaa/test_scale_obc_start_time_respin_noobaa_pods.py
@@ -5,6 +5,7 @@
 import csv
 
 from ocs_ci.ocs import constants, scale_noobaa_lib
+from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import orange_squad
 from ocs_ci.framework.testlib import scale, E2ETest
 from ocs_ci.helpers import helpers
@@ -17,7 +18,7 @@
 @pytest.fixture(autouse=True)
 def teardown(request):
     def finalizer():
-        scale_noobaa_lib.cleanup(constants.OPENSHIFT_STORAGE_NAMESPACE)
+        scale_noobaa_lib.cleanup(config.ENV_DATA["cluster_namespace"])
 
     request.addfinalizer(finalizer)
 
@@ -26,7 +27,7 @@ def finalizer():
 @scale
 class TestScaleOBCStartTime(E2ETest):
 
-    namespace = constants.OPENSHIFT_STORAGE_NAMESPACE
+    namespace = config.ENV_DATA["cluster_namespace"]
     scale_obc_count = 10
     scale_obc_count_io = 2
     num_obc_batch = 5
diff --git a/tests/manage/mcg/test_bucket_replication.py b/tests/manage/mcg/test_bucket_replication.py
index 5b291090421..71c28e3c59c 100644
--- a/tests/manage/mcg/test_bucket_replication.py
+++ b/tests/manage/mcg/test_bucket_replication.py
@@ -2,6 +2,7 @@
 
 import pytest
 
+from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import tier1, tier2, red_squad
 from ocs_ci.ocs.exceptions import CommandFailed
 from ocs_ci.framework.testlib import MCGTest
@@ -400,7 +401,7 @@ def test_unidirectional_bucketclass_replication(
             **(
                 get_pods_having_label(
                     label=constants.NOOBAA_DB_LABEL_47_AND_ABOVE,
-                    namespace=constants.OPENSHIFT_STORAGE_NAMESPACE,
+                    namespace=config.ENV_DATA["cluster_namespace"],
                 )[0]
             )
         )
diff --git a/tests/manage/mcg/test_db_nfs_mount.py b/tests/manage/mcg/test_db_nfs_mount.py
index 0b8d0e9cca5..42acb70713b 100644
--- a/tests/manage/mcg/test_db_nfs_mount.py
+++ b/tests/manage/mcg/test_db_nfs_mount.py
@@ -26,7 +26,7 @@ class TestNoobaaDbNFSMount:
     def mount_ngix_pod(self, request):
         # try to mount the reesi004 nfs mount to nginx pod
         nginx_pod_data = templating.load_yaml(constants.NGINX_POD_YAML)
-        nginx_pod_data["metadata"]["namespace"] = constants.OPENSHIFT_STORAGE_NAMESPACE
+        nginx_pod_data["metadata"]["namespace"] = config.ENV_DATA["cluster_namespace"]
         nginx_pod_data["spec"]["containers"][0]["volumeMounts"][0]["name"] = "nfs-vol"
         nginx_pod_data["spec"]["containers"][0]["volumeMounts"][0][
             "mountPath"
diff --git a/tests/manage/mcg/ui/test_namespace_store.py b/tests/manage/mcg/ui/test_namespace_store.py
index 3d18a79cd3f..b435f51187c 100644
--- a/tests/manage/mcg/ui/test_namespace_store.py
+++ b/tests/manage/mcg/ui/test_namespace_store.py
@@ -3,6 +3,7 @@
 
 from ocs_ci.ocs.ocp import OCP
 from ocs_ci.ocs import constants
+from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import black_squad
 from ocs_ci.framework.testlib import tier1, ui, polarion_id
 from ocs_ci.ocs.ui.mcg_ui import NamespaceStoreUI
@@ -41,7 +42,7 @@ def test_create_namespace_store_ui(self, setup_ui_class, pvc_factory):
 
         """
         self.namespace_store_obj = None
-        openshift_storage_ns_obj = OCP(namespace=constants.OPENSHIFT_STORAGE_NAMESPACE)
+        openshift_storage_ns_obj = OCP(namespace=config.ENV_DATA["cluster_namespace"])
         pvc_obj = pvc_factory(
             interface=constants.CEPHFILESYSTEM,
             project=openshift_storage_ns_obj,
diff --git a/tests/manage/z_cluster/test_add_mds_to_cluster.py b/tests/manage/z_cluster/test_add_mds_to_cluster.py
index 48e2ade9a0d..352d6d911a3 100644
--- a/tests/manage/z_cluster/test_add_mds_to_cluster.py
+++ b/tests/manage/z_cluster/test_add_mds_to_cluster.py
@@ -9,7 +9,6 @@
 from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import brown_squad
 from ocs_ci.framework.testlib import ManageTest
-from ocs_ci.ocs.defaults import ROOK_CLUSTER_NAMESPACE
 from ocs_ci.ocs.resources.ocs import OCS
 from ocs_ci.utility.utils import TimeoutSampler
 
@@ -28,9 +27,12 @@ def finalizer():
         fs_data = cephfs.get(defaults.CEPHFILESYSTEM_NAME)
         fs_data["spec"]["metadataServer"]["activeCount"] = original_active_count
         ceph_obj.apply(**fs_data)
-        pod = ocp.OCP(kind=constants.POD, namespace=ROOK_CLUSTER_NAMESPACE)
+        pod = ocp.OCP(
+            kind=constants.POD, namespace=config.ENV_DATA["cluster_namespace"]
+        )
         mds_pods = pod.get(
-            selector=constants.MDS_APP_LABEL, all_namespaces=ROOK_CLUSTER_NAMESPACE
+            selector=constants.MDS_APP_LABEL,
+            all_namespaces=config.ENV_DATA["cluster_namespace"],
         )["items"]
         mds_names = [pod.get("metadata").get("name") for pod in mds_pods]
         for mds in mds_names:
diff --git a/tests/manage/z_cluster/test_delete_local_volume_sym_link.py b/tests/manage/z_cluster/test_delete_local_volume_sym_link.py
index 6594476b52d..3d9886146c4 100644
--- a/tests/manage/z_cluster/test_delete_local_volume_sym_link.py
+++ b/tests/manage/z_cluster/test_delete_local_volume_sym_link.py
@@ -2,7 +2,6 @@
 import pytest
 
 from ocs_ci.ocs.utils import get_pod_name_by_pattern
-from ocs_ci.ocs.defaults import ROOK_CLUSTER_NAMESPACE
 from ocs_ci.framework.testlib import E2ETest, tier4b
 from ocs_ci.ocs import ocp, constants
 from ocs_ci.framework.pytest_customization.marks import skipif_no_lso, brown_squad
@@ -33,12 +32,16 @@ def test_delete_local_volume_sym_link(self):
         """
         # Get rook-ceph-crashcollector pod objects
         crashcollector_pods = get_pod_name_by_pattern(
-            pattern="rook-ceph-crashcollector", namespace=ROOK_CLUSTER_NAMESPACE
+            pattern="rook-ceph-crashcollector",
+            namespace=config.ENV_DATA["cluster_namespace"],
         )
         crashcollector_pods_objs = []
         for crashcollector_pod in crashcollector_pods:
             crashcollector_pods_objs.append(
-                get_pod_obj(name=crashcollector_pod, namespace=ROOK_CLUSTER_NAMESPACE)
+                get_pod_obj(
+                    name=crashcollector_pod,
+                    namespace=config.ENV_DATA["cluster_namespace"],
+                )
             )
 
         # Get Node object
@@ -47,12 +50,14 @@ def test_delete_local_volume_sym_link(self):
         # Get Sym link
         osd_pvcs = get_deviceset_pvcs()
         pv_name = osd_pvcs[0].data["spec"]["volumeName"]
-        ocp_obj = ocp.OCP(namespace=ROOK_CLUSTER_NAMESPACE, kind=constants.PV)
+        ocp_obj = ocp.OCP(
+            namespace=config.ENV_DATA["cluster_namespace"], kind=constants.PV
+        )
         pv_obj = ocp_obj.get(resource_name=pv_name)
         path = pv_obj["spec"]["local"]["path"]
 
         log.info("Delete sym link")
-        oc_cmd = ocp.OCP(namespace=ROOK_CLUSTER_NAMESPACE)
+        oc_cmd = ocp.OCP(namespace=config.ENV_DATA["cluster_namespace"])
         cmd = f"rm -rfv {path}"
         oc_cmd.exec_oc_debug_cmd(node=node_obj.name, cmd_list=[cmd])
 
diff --git a/tests/manage/z_cluster/test_multiple_mon_pods_stays_on_same_node.py b/tests/manage/z_cluster/test_multiple_mon_pods_stays_on_same_node.py
index e2195f2a695..a407fb7d49a 100644
--- a/tests/manage/z_cluster/test_multiple_mon_pods_stays_on_same_node.py
+++ b/tests/manage/z_cluster/test_multiple_mon_pods_stays_on_same_node.py
@@ -15,7 +15,6 @@
 from ocs_ci.ocs.constants import (
     ROOK_CEPH_MON_ENDPOINTS,
     CONFIGMAP,
-    OPENSHIFT_STORAGE_NAMESPACE,
     STATUS_RUNNING,
     STATUS_PENDING,
     MON_APP_LABEL,
@@ -36,7 +35,7 @@
 from ocs_ci.framework import config
 
 log = logging.getLogger(__name__)
-POD_OBJ = OCP(kind=POD, namespace=OPENSHIFT_STORAGE_NAMESPACE)
+POD_OBJ = OCP(kind=POD, namespace=config.ENV_DATA["cluster_namespace"])
 
 
 @brown_squad
@@ -130,7 +129,9 @@ def test_multiple_mon_pod_stays_on_same_node(self):
 
         # Edit the rook-ceph-mon-endpoints
         log.info(f"Edit the configmap {ROOK_CEPH_MON_ENDPOINTS}")
-        configmap_obj = OCP(kind=CONFIGMAP, namespace=OPENSHIFT_STORAGE_NAMESPACE)
+        configmap_obj = OCP(
+            kind=CONFIGMAP, namespace=config.ENV_DATA["cluster_namespace"]
+        )
         rook_ceph_mon_configmap = configmap_obj.get(
             resource_name=ROOK_CEPH_MON_ENDPOINTS
         )
@@ -150,7 +151,7 @@ def test_multiple_mon_pod_stays_on_same_node(self):
         )
 
         # Delete one mon deployment which had been edited
-        dep_obj = OCP(kind=DEPLOYMENT, namespace=OPENSHIFT_STORAGE_NAMESPACE)
+        dep_obj = OCP(kind=DEPLOYMENT, namespace=config.ENV_DATA["cluster_namespace"])
         mon_deployment_name_to_del = f"{rook_ceph_mon}-{mon_name_to_del}"
         log.info(f"Deleting mon {mon_deployment_name_to_del} deployments")
         dep_obj.delete(resource_name=mon_deployment_name_to_del)
diff --git a/tests/manage/z_cluster/test_no_liveness_probe.py b/tests/manage/z_cluster/test_no_liveness_probe.py
index e76e6bf3603..54a87135767 100644
--- a/tests/manage/z_cluster/test_no_liveness_probe.py
+++ b/tests/manage/z_cluster/test_no_liveness_probe.py
@@ -2,13 +2,13 @@
 
 from logging import getLogger
 from ocs_ci.ocs.constants import (
-    OPENSHIFT_STORAGE_NAMESPACE,
     CSI_CEPHFSPLUGIN_LABEL,
     POD,
     CSI_CEPHFSPLUGIN_PROVISIONER_LABEL,
     CSI_RBDPLUGIN_LABEL,
     CSI_RBDPLUGIN_PROVISIONER_LABEL,
 )
+from ocs_ci.framework import config
 from ocs_ci.framework.pytest_customization.marks import (
     tier1,
     bugzilla,
@@ -34,21 +34,23 @@ def test_no_liveness_container():
 
     """
     csi_plugin_pod = OCP(
-        kind=POD, namespace=OPENSHIFT_STORAGE_NAMESPACE, selector=CSI_CEPHFSPLUGIN_LABEL
+        kind=POD,
+        namespace=config.ENV_DATA["cluster_namespace"],
+        selector=CSI_CEPHFSPLUGIN_LABEL,
     )
     csi_prov_pod = OCP(
         kind=POD,
-        namespace=OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
         selector=CSI_CEPHFSPLUGIN_PROVISIONER_LABEL,
     )
     rbd_plugin_pod = OCP(
         kind=POD,
-        namespace=OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
         selector=CSI_RBDPLUGIN_LABEL,
     )
     rbd_prov_pod = OCP(
         kind=POD,
-        namespace=OPENSHIFT_STORAGE_NAMESPACE,
+        namespace=config.ENV_DATA["cluster_namespace"],
         selector=CSI_RBDPLUGIN_PROVISIONER_LABEL,
     )
     for pods in (csi_plugin_pod, rbd_plugin_pod, rbd_prov_pod, csi_prov_pod):