fix: review feedback

Author: marceljk

internal/cmd/beta/network-interface/list/list.go

@@ -82,8 +82,7 @@ func NewCmd(p *print.Printer) *cobra.Command {
 				if err != nil {
 					p.Debug(print.ErrorLevel, "get network name: %v", err)
 					networkLabel = *model.NetworkId
-				}
-				if networkLabel == "" {
+				} else if networkLabel == "" {
 					networkLabel = *model.NetworkId
 				}
 				p.Info("No network interfaces found for network %q\n", networkLabel)

internal/cmd/beta/network-interface/update/update.go

@@ -219,6 +219,9 @@ func buildRequest(ctx context.Context, model *inputModel, apiClient *iaas.APICli
 }
 
 func outputResult(p *print.Printer, outputFormat, projectId string, nic *iaas.NIC) error {
+	if nic == nil {
+		return fmt.Errorf("nic is empty")
+	}
 	switch outputFormat {
 	case print.JSONOutputFormat:
 		details, err := json.MarshalIndent(nic, "", "  ")

internal/cmd/beta/network-interface/update/update_test.go

@@ -306,7 +306,7 @@ func Test_outputResult(t *testing.T) {
 		{
 			name:    "empty",
 			args:    args{},
-			wantErr: false,
+			wantErr: true,
 		},
 		{
 			name: "set empty nic",