remove adding List for discoveryType in test

cmd/clusterctl/client/cluster/objectgraph_test.go

@@ -1779,10 +1779,6 @@ func getFakeDiscoveryTypes(ctx context.Context, graph *objectGraph) error {
 		return err
 	}
 
-	// Given that the Fake client behaves in a different way than real client, for this test we are required to add the List suffix to all the types.
-	for _, discoveryType := range graph.types {
-		discoveryType.typeMeta.Kind = fmt.Sprintf("%sList", discoveryType.typeMeta.Kind)
-	}
 	return nil
 }