# MembershipTableTestFixture.RunAsync(Func<MembershipTableTestFixture, CancellationToken, Task>, CancellationToken)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.clustering.testkit/orleans.clustering.testkit.membershiptabletestfixture/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.clustering.testkit/orleans.clustering.testkit.membershiptabletestfixture/methods/)

[Source](https://github.com/dotnet/orleans/blob/8bc9fd244427351ad24ccc039a9e7642a42c1cc4/src/Orleans.Clustering.TestKit/MembershipTableTestFixture.cs#L380-L396)

```csharp
public Task RunAsync(Func<MembershipTableTestFixture, CancellationToken, Task> action, CancellationToken cancellationToken = default(CancellationToken))
```

Runs a complete isolated case and preserves its primary failure if teardown also fails.

### Parameters

- `action` (`Func<MembershipTableTestFixture, CancellationToken, Task>`)
- `cancellationToken` (`CancellationToken`)