SetUp Fixture for NUnit starting the emulator before tests

AzureStorageEmulatorManager.cs

using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AzureTableStorage.Tests
{
	// Start/stop azure storage emulator from code:
	// http://stackoverflow.com/questions/7547567/how-to-start-azure-storage-emulator-from-within-a-program
	// Credits to David Peden http://stackoverflow.com/users/607701/david-peden for sharing this!
	public static class AzureStorageEmulatorManager
	{
		private const string _windowsAzureStorageEmulatorPath = @"C:\Program Files (x86)\Microsoft SDKs\Azure\Storage Emulator\WAStorageEmulator.exe";
		private const string _win7ProcessName = "WAStorageEmulator";
		private const string _win8ProcessName = "WASTOR~1";

		private static readonly ProcessStartInfo startStorageEmulator = new ProcessStartInfo
		{
			FileName = _windowsAzureStorageEmulatorPath,
			Arguments = "start",
		};

		private static readonly ProcessStartInfo stopStorageEmulator = new ProcessStartInfo
		{
			FileName = _windowsAzureStorageEmulatorPath,
			Arguments = "stop",
		};

		private static Process GetProcess()
		{
			return Process.GetProcessesByName(_win7ProcessName).FirstOrDefault() ?? Process.GetProcessesByName(_win8ProcessName).FirstOrDefault();
		}

		public static bool IsProcessStarted()
		{
			return GetProcess() != null;
		}

		public static void StartStorageEmulator()
		{
			if (!IsProcessStarted())
			{
				using (Process process = Process.Start(startStorageEmulator))
				{
					process.WaitForExit();
				}
			}
		}

		public static void StopStorageEmulator()
		{
			using (Process process = Process.Start(stopStorageEmulator))
			{
				process.WaitForExit();
			}
		}
	}
}

AzureTableStorageTests.cs

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Table;
using NUnit.Framework;
using System;
using System.Linq;
using System.Collections.Generic;

namespace AzureTableStorage.Tests
{
	[SetUpFixture]
	public class StartStopAzureEmulator
	{
		private bool _wasUp;
		[SetUp]
		public void StartAzureBeforeAllTestsIfNotUp()
		{
			if (!AzureStorageEmulatorManager.IsProcessStarted())
			{
				AzureStorageEmulatorManager.StartStorageEmulator();
				_wasUp = false;
			}
			else
			{
				_wasUp = true;
			}
			
		}

		[TearDown]
		public void StopAzureAfterAllTestsIfWasDown()
		{
			if (!_wasUp)
			{
				AzureStorageEmulatorManager.StopStorageEmulator();
			}
			else
			{
				// Leave as it was before testing...
			}
		}
	}
}