t.Fatalf("expected error: %v, got: %v, error: %v", tt.expectedErr, err != nil, err)
			} else if tt.expectedErr {
				return
			}

			resultingKeyPEM, wasGenerated, err := keyutil.LoadOrGenerateKeyFile(filepath.Join(dir, kubeadmconstants.ServiceAccountPrivateKeyName))
			if err != nil {
				t.Errorf("Can't load created key: %v", err)
			} else if wasGenerated {
				t.Error("The key was not created")