Silence the error generated by jsdom xhr when loading assets/lang/en-…

…US.lang when a path to language files is not set

tests/setup-jest.js

@@ -1,8 +1,15 @@
-
-
 import $ from 'jquery'
 global.$ = $
 global.jQuery = $
 
 const langFiles = require('formbuilder-languages')
-global.FB_EN_US = langFiles['en-US']
+global.FB_EN_US = langFiles['en-US']
+
+/** Hack to silence errors from default request to assets/lang/en-US.lang **/
+const originalConsoleError = console.error
+const jsDomCssError = 'Error: AggregateError'
+console.error = (...params) => {
+  if (!params.find(p => p.toString().includes(jsDomCssError))) {
+    originalConsoleError(...params)
+  }
+}