diff --git a/openstackclient/tests/functional/volume/v1/test_snapshot.py b/openstackclient/tests/functional/volume/v1/test_snapshot.py
index c60472c55e..083cd1b087 100644
--- a/openstackclient/tests/functional/volume/v1/test_snapshot.py
+++ b/openstackclient/tests/functional/volume/v1/test_snapshot.py
@@ -42,7 +42,7 @@ class VolumeSnapshotTests(common.BaseVolumeTests):
         finally:
             super(VolumeSnapshotTests, cls).tearDownClass()
 
-    def test_volume_snapshot__delete(self):
+    def test_volume_snapshot_delete(self):
         """Test create, delete multiple"""
         name1 = uuid.uuid4().hex
         cmd_output = json.loads(self.openstack(
diff --git a/openstackclient/tests/functional/volume/v2/test_snapshot.py b/openstackclient/tests/functional/volume/v2/test_snapshot.py
index ba6b2c2837..264f4adb6b 100644
--- a/openstackclient/tests/functional/volume/v2/test_snapshot.py
+++ b/openstackclient/tests/functional/volume/v2/test_snapshot.py
@@ -43,7 +43,7 @@ class VolumeSnapshotTests(common.BaseVolumeTests):
         finally:
             super(VolumeSnapshotTests, cls).tearDownClass()
 
-    def test_volume_snapshot__delete(self):
+    def test_volume_snapshot_delete(self):
         """Test create, delete multiple"""
         name1 = uuid.uuid4().hex
         cmd_output = json.loads(self.openstack(