diff --git a/hack/.staticcheck_failures b/hack/.staticcheck_failures
index c85de44fc73d6..30bc554d7719e 100644
--- a/hack/.staticcheck_failures
+++ b/hack/.staticcheck_failures
@@ -50,7 +50,6 @@ vendor/k8s.io/apiserver/plugin/pkg/authenticator/token/webhook
 vendor/k8s.io/apiserver/plugin/pkg/authorizer/webhook
 vendor/k8s.io/cli-runtime/pkg/printers
 vendor/k8s.io/client-go/discovery
-vendor/k8s.io/client-go/discovery/cached/memory
 vendor/k8s.io/client-go/dynamic/fake
 vendor/k8s.io/client-go/metadata/fake
 vendor/k8s.io/client-go/rest
diff --git a/staging/src/k8s.io/client-go/discovery/cached/memory/memcache_test.go b/staging/src/k8s.io/client-go/discovery/cached/memory/memcache_test.go
index f8c2900cbb000..4a910931c3c8a 100644
--- a/staging/src/k8s.io/client-go/discovery/cached/memory/memcache_test.go
+++ b/staging/src/k8s.io/client-go/discovery/cached/memory/memcache_test.go
@@ -95,6 +95,9 @@ func TestClient(t *testing.T) {
 	if err != nil {
 		t.Errorf("Unexpected error: %v", err)
 	}
+	if e, a := fake.groupList, g; !reflect.DeepEqual(e, a) {
+		t.Errorf("Expected %#v, got %#v", e, a)
+	}
 	if !c.Fresh() {
 		t.Errorf("Expected fresh.")
 	}