The criteria to qualify as a critical or key worker has been restricted to employees who match the DVSA’s guidelines. Here is their statement.
Emergency driving tests for critical workers
You can only get an emergency practical driving test if you’re a critical worker in England or Wales and you work for one of the following:
the NHS, in health or social care
the emergency services
a local council
You must also:
need to drive as part of your job
respond to ‘threats to life’ as part of your job