gistfile1.cs

public interface IEventStoreTest
{        
}

 internal static class EventStoreTestMixins
{
	...

	public static EventStoreHelper StartInMemStore(this IEventStoreTest test)
	{
		KillExistingEventStore();
		var process = new Process();
		process.StartInfo = new ProcessStartInfo(EventStorePath, "--mem-db --run-projections=all")
		{
			RedirectStandardOutput = true,
			CreateNoWindow = true,
			UseShellExecute = false
		};
		
		var mre = new ManualResetEvent(false);
		ThreadPool.QueueUserWorkItem(state =>
		{
			process.Start();
			while (!process.StandardOutput.EndOfStream)
			{
				string line = process.StandardOutput.ReadLine();
				if (!string.IsNullOrEmpty(line) && line.Contains("SPARTA"))
				{
					mre.Set();
				}
			}
		});

		if (!mre.WaitOne(TimeSpan.FromSeconds(10)))
		{
			throw new InvalidOperationException("Event Store not started in 10 secs");
		}

		return new EventStoreHelper(BuildConnection(), new ActionDisposable(process.Kill));
	}
}

public sealed class SomeEventStoreTest : IEventStoreTest
{
	private readonly EventStoreHelper store;

	public SomeEventStoreTest()
	{
		store = this.StartInMemStore();            
	}
	
	...
}