WEB-1987 update size-stats sample

scripts/size-stats/app-test-lib-overhead/src/index.js

@@ -1,6 +1,6 @@
 import * as React from 'react';
 import {createRoot} from 'react-dom/client';
-import {ThemeContextProvider, IconTruckFilled, getMovistarSkin} from '@telefonica/mistica';
+import {ThemeContextProvider, IconTruckFilled, getMovistarSkin, textTokens} from '@telefonica/mistica';
 
 /*
 Using React.createElement so we don't need to compile JSX
@@ -27,7 +27,10 @@ root.render(
                     i18n: {locale: 'es-ES', phoneNumberFormattingRegionCode: 'ES'},
                 },
             },
-            React.createElement(IconTruckFilled, {})
+            React.createElement(IconTruckFilled, {
+                // adding a single text token to verify that a single token is included, not the whole dictionary
+                key: textTokens.formCreditCardCvvLabel.en,
+            })
         )
     )
 );