corrected possibly multiple enumeration

VectoCore/VectoCore/InputData/Reader/ComponentData/AlternatorReader.cs

@@ -73,7 +73,7 @@ namespace TUGraz.VectoCore.InputData.Reader.ComponentData
 						row.ParseDouble(Fields.Efficiency), row.ParseDouble(Fields.PulleyRatio)));
 			}
 
-			var g = map.GroupBy(x => x.AlternatorName);
+			var g = map.GroupBy(x => x.AlternatorName).ToList();
 			if (g.Any(x => x.Count() < 2)) {
 				throw new ArgumentException(
 					"Insufficient rows in csv to build a usable map for alternator {0}",

VectoCore/VectoCoreTest/Integration/CompletedBus/CompletedBusFactorMethodTest.cs

@@ -512,8 +512,8 @@ namespace TUGraz.VectoCore.Tests.Integration.CompletedBus
 
 		private void AssertAuxiliaryData(RelatedRun relatedRun)
 		{
-			var genericAuxiliaryData = relatedRun.VectoRunDataGenericBody.Aux;
-			var specificAuxiliaryData = relatedRun.VectoRunDataSpezificBody.Aux;
+			var genericAuxiliaryData = relatedRun.VectoRunDataGenericBody.Aux.ToList();
+			var specificAuxiliaryData = relatedRun.VectoRunDataSpezificBody.Aux.ToList();
 
 			Assert.AreEqual(2, genericAuxiliaryData.Count());
 			Assert.AreEqual("Hydraulic driven - Constant displacement pump", genericAuxiliaryData.First().Technology.First());