Reporter-earl: not able to get the results in earl format when running axe

Steps to reproduce:
1. Installed the reporter-earl , `npm install @axe-core/reporter-earl`
2. Installed axe-core
3. Tried to get the results in earl format when running axe
```
const  createEarlReport  = require('@axe-core/reporter-earl').default;
results = axe.run({ reporter: 'raw' })
createEarlReport(results)
```