make the formatting errors based on go 1.19

Reference#
https://github.com/kubernetes-csi/csi-release-tools/pull/203

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

pkg/common-controller/snapshotclass_test.go

@@ -22,10 +22,10 @@ import (
 )
 
 // Test single call to checkAndUpdateSnapshotClass.
-// 1. Fill in the controller with initial data
-// 2. Call the tested function checkAndUpdateSnapshotClass via
-//    controllerTest.testCall *once*.
-// 3. Compare resulting snapshotclass.
+//  1. Fill in the controller with initial data
+//  2. Call the tested function checkAndUpdateSnapshotClass via
+//     controllerTest.testCall *once*.
+//  3. Compare resulting snapshotclass.
 func TestUpdateSnapshotClass(t *testing.T) {
 	tests := []controllerTest{
 		{