diff --git a/lib/sr.py b/lib/sr.py
index c5fc43b31..63f9aecc3 100644
--- a/lib/sr.py
+++ b/lib/sr.py
@@ -157,3 +157,6 @@ def create_vdi(self, name_label, virtual_size=64):
             'sr-uuid': self.uuid
         })
         return VDI(self, vdi_uuid)
+
+    def run_quicktest(self):
+        self.pool.master.ssh(['/opt/xensource/debug/quicktest', '-sr', self.uuid])
diff --git a/tests/storage/cephfs/test_cephfs_sr.py b/tests/storage/cephfs/test_cephfs_sr.py
index 39bffd7fd..aa1d409c2 100644
--- a/tests/storage/cephfs/test_cephfs_sr.py
+++ b/tests/storage/cephfs/test_cephfs_sr.py
@@ -4,7 +4,7 @@
 
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2
@@ -43,7 +43,7 @@ def test_create_and_destroy_sr(self, host, cephfs_device_config, pool_with_ceph)
 @pytest.mark.usefixtures("cephfs_sr")
 class TestCephFSSR:
     def test_quicktest(self, cephfs_sr):
-        run_quicktest_on_sr(cephfs_sr)
+        cephfs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_cephfs_sr):
         assert not vdi_is_open(vdi_on_cephfs_sr)
diff --git a/tests/storage/ext/test_ext_sr.py b/tests/storage/ext/test_ext_sr.py
index d6bafec0f..f74edc9fb 100644
--- a/tests/storage/ext/test_ext_sr.py
+++ b/tests/storage/ext/test_ext_sr.py
@@ -1,6 +1,6 @@
 import pytest
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, try_to_create_sr_with_missing_device, vdi_is_open
+from tests.storage import try_to_create_sr_with_missing_device, vdi_is_open
 
 # Requirements:
 # - one XCP-ng host with an additional unused disk for the SR
@@ -27,7 +27,7 @@ def test_create_and_destroy_sr(self, host, sr_disk):
 @pytest.mark.usefixtures("ext_sr")
 class TestEXTSR:
     def test_quicktest(self, ext_sr):
-        run_quicktest_on_sr(ext_sr)
+        ext_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_ext_sr):
         assert not vdi_is_open(vdi_on_ext_sr)
diff --git a/tests/storage/glusterfs/test_glusterfs_sr.py b/tests/storage/glusterfs/test_glusterfs_sr.py
index acc78bf11..54fbfc75f 100644
--- a/tests/storage/glusterfs/test_glusterfs_sr.py
+++ b/tests/storage/glusterfs/test_glusterfs_sr.py
@@ -3,7 +3,7 @@
 
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2 with an additional unused disk for the SR
@@ -42,7 +42,7 @@ def test_create_and_destroy_sr(self, host, glusterfs_device_config, pool_with_gl
 @pytest.mark.usefixtures("sr_disk_for_all_hosts", "glusterfs_sr")
 class TestGlusterFSSR:
     def test_quicktest(self, glusterfs_sr):
-        run_quicktest_on_sr(glusterfs_sr)
+        glusterfs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_glusterfs_sr):
         assert not vdi_is_open(vdi_on_glusterfs_sr)
diff --git a/tests/storage/iso/test_cifs_iso_sr.py b/tests/storage/iso/test_cifs_iso_sr.py
index 41d0b750a..a962d6a92 100644
--- a/tests/storage/iso/test_cifs_iso_sr.py
+++ b/tests/storage/iso/test_cifs_iso_sr.py
@@ -1,9 +1,7 @@
 import pytest
 import logging
 import os
-
 from .conftest import copy_tools_iso_to_iso_sr, check_iso_mount_and_read_from_vm, remove_iso_from_sr
-from tests.storage import run_quicktest_on_sr
 
 # Requirements:
 # From --hosts parameter:
@@ -37,8 +35,6 @@ def test_create_and_destroy_sr(self, host, cifs_iso_device_config):
 @pytest.mark.small_vm
 @pytest.mark.usefixtures("cifs_iso_sr")
 class TestCIFSISOSR:
-    def test_quicktest(self, cifs_iso_sr):
-        run_quicktest_on_sr(cifs_iso_sr)
 
     def test_iso_mount_and_read(self, host, cifs_iso_sr, running_unix_vm):
         # create the ISO SR on CIFS
diff --git a/tests/storage/iso/test_local_iso_sr.py b/tests/storage/iso/test_local_iso_sr.py
index 768c0ac75..0f1b9a5b5 100644
--- a/tests/storage/iso/test_local_iso_sr.py
+++ b/tests/storage/iso/test_local_iso_sr.py
@@ -4,7 +4,6 @@
 
 from .conftest import create_local_iso_sr, copy_tools_iso_to_iso_sr, \
     check_iso_mount_and_read_from_vm, remove_iso_from_sr
-from tests.storage import run_quicktest_on_sr
 
 # Requirements:
 # From --hosts parameter:
@@ -43,10 +42,6 @@ def test_create_and_destroy_sr(self, host, formatted_and_mounted_ext4_disk):
 @pytest.mark.small_vm
 @pytest.mark.usefixtures("local_iso_sr")
 class TestLocalISOSR:
-    def test_quicktest(self, local_iso_sr):
-        sr, location = local_iso_sr
-        run_quicktest_on_sr(sr)
-
     def test_iso_mount_and_read(self, host, local_iso_sr, unix_vm):
         sr, location = local_iso_sr
         iso_path = copy_tools_iso_to_iso_sr(host, sr, location)
diff --git a/tests/storage/iso/test_nfs_iso_sr.py b/tests/storage/iso/test_nfs_iso_sr.py
index c9d3f830c..bb418816e 100644
--- a/tests/storage/iso/test_nfs_iso_sr.py
+++ b/tests/storage/iso/test_nfs_iso_sr.py
@@ -3,7 +3,6 @@
 import logging
 
 from .conftest import copy_tools_iso_to_iso_sr, check_iso_mount_and_read_from_vm, remove_iso_from_sr
-from tests.storage import run_quicktest_on_sr
 
 # Requirements:
 # From --hosts parameter:
@@ -39,9 +38,6 @@ def test_create_and_destroy_sr(self, host, nfs_iso_device_config):
 @pytest.mark.small_vm
 @pytest.mark.usefixtures("nfs_iso_sr")
 class TestNFSISOSR:
-    def test_quicktest(self, nfs_iso_sr):
-        run_quicktest_on_sr(nfs_iso_sr)
-
     def test_iso_mount_and_read(self, host, nfs_iso_sr, running_unix_vm):
         # create the ISO SR on NFS
         sr = nfs_iso_sr
diff --git a/tests/storage/linstor/test_linstor_sr.py b/tests/storage/linstor/test_linstor_sr.py
index e80698b21..ac17cef90 100644
--- a/tests/storage/linstor/test_linstor_sr.py
+++ b/tests/storage/linstor/test_linstor_sr.py
@@ -5,7 +5,7 @@
 from .conftest import STORAGE_POOL_NAME, LINSTOR_PACKAGE
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2 with an additional unused disk for the SR
@@ -53,7 +53,7 @@ def test_create_and_destroy_sr(self, pool_with_linstor):
 @pytest.mark.usefixtures("linstor_sr")
 class TestLinstorSR:
     def test_quicktest(self, linstor_sr):
-        run_quicktest_on_sr(linstor_sr)
+        linstor_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_linstor_sr):
         assert not vdi_is_open(vdi_on_linstor_sr)
diff --git a/tests/storage/lvm/test_lvm_sr.py b/tests/storage/lvm/test_lvm_sr.py
index 613311c01..1a877433b 100644
--- a/tests/storage/lvm/test_lvm_sr.py
+++ b/tests/storage/lvm/test_lvm_sr.py
@@ -1,6 +1,6 @@
 import pytest
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, try_to_create_sr_with_missing_device, vdi_is_open
+from tests.storage import try_to_create_sr_with_missing_device, vdi_is_open
 
 # Requirements:
 # - one XCP-ng host with an additional unused disk for the SR
@@ -27,7 +27,7 @@ def test_create_and_destroy_sr(self, host, sr_disk):
 @pytest.mark.usefixtures("lvm_sr")
 class TestLVMSR:
     def test_quicktest(self, lvm_sr):
-        run_quicktest_on_sr(lvm_sr)
+        lvm_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_lvm_sr):
         assert not vdi_is_open(vdi_on_lvm_sr)
diff --git a/tests/storage/lvmoiscsi/test_lvmoiscsi_sr.py b/tests/storage/lvmoiscsi/test_lvmoiscsi_sr.py
index b3a3a2ca7..9b6d5db82 100644
--- a/tests/storage/lvmoiscsi/test_lvmoiscsi_sr.py
+++ b/tests/storage/lvmoiscsi/test_lvmoiscsi_sr.py
@@ -1,6 +1,6 @@
 import pytest
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2
@@ -25,7 +25,7 @@ def test_create_and_destroy_sr(self, host, lvmoiscsi_device_config):
 @pytest.mark.usefixtures("lvmoiscsi_sr")
 class TestLVMOISCSISR:
     def test_quicktest(self, lvmoiscsi_sr):
-        run_quicktest_on_sr(lvmoiscsi_sr)
+        lvmoiscsi_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_lvmoiscsi_sr):
         assert not vdi_is_open(vdi_on_lvmoiscsi_sr)
diff --git a/tests/storage/moosefs/test_moosefs_sr.py b/tests/storage/moosefs/test_moosefs_sr.py
index e77d979ce..be481362e 100644
--- a/tests/storage/moosefs/test_moosefs_sr.py
+++ b/tests/storage/moosefs/test_moosefs_sr.py
@@ -4,7 +4,7 @@
 
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2
@@ -44,7 +44,7 @@ def test_create_and_destroy_sr(self, moosefs_device_config, pool_with_moosefs_en
 @pytest.mark.usefixtures("moosefs_sr")
 class TestMooseFSSR:
     def test_quicktest(self, moosefs_sr):
-        run_quicktest_on_sr(moosefs_sr)
+        moosefs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_moosefs_sr):
         assert not vdi_is_open(vdi_on_moosefs_sr)
diff --git a/tests/storage/nfs/test_nfs_sr.py b/tests/storage/nfs/test_nfs_sr.py
index e8fd1355a..38b57280a 100644
--- a/tests/storage/nfs/test_nfs_sr.py
+++ b/tests/storage/nfs/test_nfs_sr.py
@@ -1,6 +1,6 @@
 import pytest
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.0 with an additional unused disk for the SR
@@ -18,7 +18,7 @@ def test_create_and_destroy_sr(self, host, nfs_device_config):
 @pytest.mark.usefixtures("nfs_sr")
 class TestNFSSR:
     def test_quicktest(self, nfs_sr):
-        run_quicktest_on_sr(nfs_sr)
+        nfs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_nfs_sr):
         assert not vdi_is_open(vdi_on_nfs_sr)
diff --git a/tests/storage/storage.py b/tests/storage/storage.py
index 8ba3ff960..8ea85347e 100644
--- a/tests/storage/storage.py
+++ b/tests/storage/storage.py
@@ -70,6 +70,3 @@ def get_xapi_session():
         'vdiUuid': vdi.uuid,
         'srRef': master.execute_script(get_sr_ref, shebang='python')
     }))
-
-def run_quicktest_on_sr(sr):
-    sr.pool.master.ssh(['/opt/xensource/debug/quicktest', '-sr', sr.uuid])
diff --git a/tests/storage/xfs/test_xfs_sr.py b/tests/storage/xfs/test_xfs_sr.py
index cb152868f..bf84d240a 100644
--- a/tests/storage/xfs/test_xfs_sr.py
+++ b/tests/storage/xfs/test_xfs_sr.py
@@ -4,7 +4,7 @@
 
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2 with an additional unused disk for the SR
@@ -43,7 +43,7 @@ def test_create_and_destroy_sr(self, sr_disk, host_with_xfsprogs):
 @pytest.mark.usefixtures("xfs_sr")
 class TestXFSSR:
     def test_quicktest(self, xfs_sr):
-        run_quicktest_on_sr(xfs_sr)
+        xfs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_xfs_sr):
         assert not vdi_is_open(vdi_on_xfs_sr)
diff --git a/tests/storage/zfs/test_zfs_sr.py b/tests/storage/zfs/test_zfs_sr.py
index 0ffdf9839..ef019b208 100755
--- a/tests/storage/zfs/test_zfs_sr.py
+++ b/tests/storage/zfs/test_zfs_sr.py
@@ -5,7 +5,7 @@
 from .conftest import VOLUME_PATH, VOLUME_NAME
 from lib.commands import SSHCommandFailed
 from lib.common import wait_for, vm_image
-from tests.storage import run_quicktest_on_sr, vdi_is_open
+from tests.storage import vdi_is_open
 
 # Requirements:
 # - one XCP-ng host >= 8.2 with an additional unused disk for the SR
@@ -45,7 +45,7 @@ def test_create_and_destroy_sr(self, host):
 @pytest.mark.usefixtures("zpool_vol0")
 class TestZFSSR:
     def test_quicktest(self, zfs_sr):
-        run_quicktest_on_sr(zfs_sr)
+        zfs_sr.run_quicktest()
 
     def test_vdi_is_not_open(self, vdi_on_zfs_sr):
         assert not vdi_is_open(vdi_on_zfs_sr)