add test initialization

VectoCore/VectoCoreTest/Models/SimulationComponent/GearboxPowertrainTest.cs

@@ -29,6 +29,7 @@
 *   Martin Rexeis, rexeis@ivt.tugraz.at, IVT, Graz University of Technology
 */
 
+using System.IO;
 using NUnit.Framework;
 using TUGraz.VectoCommon.Utils;
 using TUGraz.VectoCore.Models.Connector.Ports.Impl;
@@ -40,6 +41,13 @@ namespace TUGraz.VectoCore.Tests.Models.SimulationComponent
 	[TestFixture]
 	public class GearboxPowertrainTest
 	{
+
+		[OneTimeSetUp]
+		public void RunBeforeAnyTests()
+		{
+			Directory.SetCurrentDirectory(TestContext.CurrentContext.TestDirectory);
+		}
+
 		[TestCase]
 		public void Gearbox_Initialize_Empty()
 		{