Merge pull request #66322 from tanshanshan/fixunused

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

ignore unused variable

**What this PR does / why we need it**:
ignore unused variable 

unused err
162655f42f/pkg/cloudprovider/providers/openstack/openstack_routes_test.go (L89)

and
unused instanceId
162655f42f/pkg/cloudprovider/providers/photon/photon_test.go (L143)

found in #66303 
**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:


**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

pkg/cloudprovider/providers/openstack/openstack_routes_test.go

@@ -87,6 +87,9 @@ func TestRoutes(t *testing.T) {
 
 func getServers(os *OpenStack) []servers.Server {
 	c, err := os.NewComputeV2()
+	if err != nil {
+		panic(err)
+	}
 	allPages, err := servers.List(c, servers.ListOpts{}).AllPages()
 	if err != nil {
 		panic(err)

pkg/cloudprovider/providers/photon/photon_test.go

@@ -140,7 +140,7 @@ func TestInstances(t *testing.T) {
 	}
 	t.Logf("Found InstanceID(%s) = %s\n", testVM, instanceId)
 
-	instanceId, err = i.InstanceID(context.TODO(), nonExistingVM)
+	_, err = i.InstanceID(context.TODO(), nonExistingVM)
 	if err == cloudprovider.InstanceNotFound {
 		t.Logf("VM %s was not found as expected\n", nonExistingVM)
 	} else if err == nil {