test: updating the jest file

Author: Mhp23

jest/index.js

@@ -11,6 +11,7 @@ const eventSub = {remove: jestFn()};
 const eventMock = jestFn(() => eventSub);
 
 class Speech {
+  static maxInputLength = 4000;
   static reset = mockFn;
   static stop = mockPromise;
   static initialize = mockFn;