This is part of the Fake.DotNet.Testing.XUnit2 module.

CollectionConcurrencyMode

The collection concurrency mode used by the xUnit2 runner.

Union Cases

Union CaseDescription
Default
Signature:

Uses the default concurrency mode for collections.
MaxThreads(count)
Signature: int

Limits the number of concurrently executing collections to count.
Unlimited
Signature:

Does not limit the number of concurrently executing collections.