Add PersistenceTestKit to Akka.Hosting.TestKit

[berthertogen]

Is your feature request related to a problem? Please describe.
I would like to make use of the PersistenceTestKit (Akka.Persistence.TestKit) functionality while making use of the Akka.Hosting.TestKit setup.

Describe the solution you'd like
A PersistenceTestKit should be available using the Akka.Hosting.TestKit as a base.

Describe alternatives you've considered
/

Additional context