diff --git a/openstackclient/tests/unit/compute/v2/fakes.py b/openstackclient/tests/unit/compute/v2/fakes.py
index d021c5d760..792773e632 100644
--- a/openstackclient/tests/unit/compute/v2/fakes.py
+++ b/openstackclient/tests/unit/compute/v2/fakes.py
@@ -21,7 +21,6 @@ import uuid
 
 from keystoneauth1 import discover
 from openstack.compute.v2 import _proxy
-from openstack.compute.v2 import aggregate as _aggregate
 from openstack.compute.v2 import availability_zone as _availability_zone
 from openstack.compute.v2 import extension as _extension
 from openstack.compute.v2 import flavor as _flavor
@@ -142,63 +141,6 @@ class TestComputev2(
 ): ...
 
 
-def create_one_aggregate(attrs=None):
-    """Create a fake aggregate.
-
-    :param dict attrs: A dictionary with all attributes
-    :return: A fake openstack.compute.v2.aggregate.Aggregate object
-    """
-    attrs = attrs or {}
-
-    # Set default attribute
-    aggregate_info = {
-        "name": "aggregate-name-" + uuid.uuid4().hex,
-        "availability_zone": "ag_zone",
-        "hosts": [],
-        "id": "aggregate-id-" + uuid.uuid4().hex,
-        "metadata": {
-            "availability_zone": "ag_zone",
-            "key1": "value1",
-        },
-    }
-
-    # Overwrite default attributes.
-    aggregate_info.update(attrs)
-
-    aggregate = _aggregate.Aggregate(**aggregate_info)
-    return aggregate
-
-
-def create_aggregates(attrs=None, count=2):
-    """Create multiple fake aggregates.
-
-    :param dict attrs: A dictionary with all attributes
-    :param int count: The number of aggregates to fake
-    :return: A list of fake openstack.compute.v2.aggregate.Aggregate objects
-    """
-    aggregates = []
-    for i in range(0, count):
-        aggregates.append(create_one_aggregate(attrs))
-
-    return aggregates
-
-
-def get_aggregates(aggregates=None, count=2):
-    """Get an iterable MagicMock object with a list of faked aggregates.
-
-    If aggregates list is provided, then initialize the Mock object
-    with the list. Otherwise create one.
-
-    :return: A list of fake openstack.compute.v2.aggregate.Aggregate objects
-    :param int count: The number of aggregates to fake
-    :return: An iterable Mock object with side_effect set to a list of faked
-        aggregates
-    """
-    if aggregates is None:
-        aggregates = create_aggregates(count)
-    return mock.Mock(side_effect=aggregates)
-
-
 def create_one_agent(attrs=None):
     """Create a fake agent.
 
diff --git a/openstackclient/tests/unit/compute/v2/test_aggregate.py b/openstackclient/tests/unit/compute/v2/test_aggregate.py
index 933344e8c4..f905d67e39 100644
--- a/openstackclient/tests/unit/compute/v2/test_aggregate.py
+++ b/openstackclient/tests/unit/compute/v2/test_aggregate.py
@@ -16,7 +16,9 @@
 from unittest import mock
 from unittest.mock import call
 
+from openstack.compute.v2 import aggregate as _aggregate
 from openstack import exceptions as sdk_exceptions
+from openstack.test import fakes as sdk_fakes
 from osc_lib.cli import format_columns
 from osc_lib import exceptions
 
@@ -26,8 +28,6 @@ from openstackclient.tests.unit.image.v2 import fakes as image_fakes
 
 
 class TestAggregate(compute_fakes.TestComputev2):
-    fake_ag = compute_fakes.create_one_aggregate()
-
     columns = (
         'availability_zone',
         'created_at',
@@ -41,18 +41,25 @@ class TestAggregate(compute_fakes.TestComputev2):
         'uuid',
     )
 
-    data = (
-        fake_ag.availability_zone,
-        fake_ag.created_at,
-        fake_ag.deleted_at,
-        format_columns.ListColumn(fake_ag.hosts),
-        fake_ag.id,
-        fake_ag.is_deleted,
-        fake_ag.name,
-        format_columns.DictColumn(fake_ag.metadata),
-        fake_ag.updated_at,
-        fake_ag.uuid,
-    )
+    def setUp(self):
+        super().setUp()
+
+        self.fake_ag = sdk_fakes.generate_fake_resource(
+            _aggregate.Aggregate,
+            metadata={'availability_zone': 'ag_zone', 'key1': 'value1'},
+        )
+        self.data = (
+            self.fake_ag.availability_zone,
+            self.fake_ag.created_at,
+            self.fake_ag.deleted_at,
+            format_columns.ListColumn(self.fake_ag.hosts),
+            self.fake_ag.id,
+            self.fake_ag.is_deleted,
+            self.fake_ag.name,
+            format_columns.DictColumn(self.fake_ag.metadata),
+            self.fake_ag.updated_at,
+            self.fake_ag.uuid,
+        )
 
 
 class TestAggregateAddHost(TestAggregate):
@@ -155,13 +162,15 @@ class TestAggregateCreate(TestAggregate):
 
 
 class TestAggregateDelete(TestAggregate):
-    fake_ags = compute_fakes.create_aggregates(count=2)
-
     def setUp(self):
         super().setUp()
 
-        self.compute_sdk_client.find_aggregate = compute_fakes.get_aggregates(
-            self.fake_ags
+        self.fake_ags = list(
+            sdk_fakes.generate_fake_resources(_aggregate.Aggregate, 2)
+        )
+
+        self.compute_sdk_client.find_aggregate = mock.Mock(
+            side_effect=[self.fake_ags[0], self.fake_ags[1]]
         )
         self.cmd = aggregate.DeleteAggregate(self.app, None)
 
@@ -526,25 +535,25 @@ class TestAggregateShow(TestAggregate):
         'uuid',
     )
 
-    data = (
-        TestAggregate.fake_ag.availability_zone,
-        TestAggregate.fake_ag.created_at,
-        TestAggregate.fake_ag.deleted_at,
-        format_columns.ListColumn(TestAggregate.fake_ag.hosts),
-        TestAggregate.fake_ag.id,
-        TestAggregate.fake_ag.is_deleted,
-        TestAggregate.fake_ag.name,
-        format_columns.DictColumn(TestAggregate.fake_ag.metadata),
-        TestAggregate.fake_ag.updated_at,
-        TestAggregate.fake_ag.uuid,
-    )
-
     def setUp(self):
         super().setUp()
 
         self.compute_sdk_client.find_aggregate.return_value = self.fake_ag
         self.cmd = aggregate.ShowAggregate(self.app, None)
 
+        self.data = (
+            self.fake_ag.availability_zone,
+            self.fake_ag.created_at,
+            self.fake_ag.deleted_at,
+            format_columns.ListColumn(self.fake_ag.hosts),
+            self.fake_ag.id,
+            self.fake_ag.is_deleted,
+            self.fake_ag.name,
+            format_columns.DictColumn(self.fake_ag.metadata),
+            self.fake_ag.updated_at,
+            self.fake_ag.uuid,
+        )
+
     def test_aggregate_show(self):
         arglist = [
             'ag1',