fix: remove throw from errorHandler

Vue calls error handler in try catch, so thrown errors are logged and thrown twice

Author: eddyerburgh

packages/test-utils/src/error-handler.js

@@ -4,6 +4,4 @@ export default function errorHandler (errorOrString, vm) {
     : new Error(errorOrString)
 
   vm._error = error
-
-  throw error
 }