diff --git a/lisa/features/disks.py b/lisa/features/disks.py
index 59aea145be..3ec03d5a43 100644
--- a/lisa/features/disks.py
+++ b/lisa/features/disks.py
@@ -71,6 +71,9 @@ def _initialize(self, *args: Any, **kwargs: Any) -> None:
     def get_resource_disk_mount_point(self) -> str:
         raise NotImplementedError
 
+    def get_resource_disks(self) -> List[str]:
+        raise NotImplementedError
+
     def get_luns(self) -> Dict[str, int]:
         raise NotImplementedError
 
diff --git a/microsoft/testsuites/core/azure_image_standard.py b/microsoft/testsuites/core/azure_image_standard.py
index 2c5433ae2c..e7745df5a2 100644
--- a/microsoft/testsuites/core/azure_image_standard.py
+++ b/microsoft/testsuites/core/azure_image_standard.py
@@ -1198,8 +1198,8 @@ def verify_resource_disk_file_system(self, node: RemoteNode) -> None:
             )
             for partition in disk_info.partitions:
                 # by default, resource disk comes with ntfs type
-                # waagent or cloud-init will format it unless there are some commands hung
-                # or interrupt
+                # waagent or cloud-init will format it unless there are some commands
+                # hung or interrupt
                 assert_that(
                     partition.fstype,
                     "Resource disk file system type should not equal to ntfs",