Index: DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/FillXmlOutputFromDamTests.cs
===================================================================
diff -u -r4052 -r4053
--- DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/FillXmlOutputFromDamTests.cs	(.../FillXmlOutputFromDamTests.cs)	(revision 4052)
+++ DamEngine/trunk/src/Deltares.DamEngine.Interface.Tests/FillXmlOutputFromDamTests.cs	(.../FillXmlOutputFromDamTests.cs)	(revision 4053)
@@ -299,7 +299,7 @@
         damProjectData.OutputTimeSerieCollection = new TimeSerieCollection();
         for (var i = 0; i < timeSeriesCount; i++)
         {
-            string locationId = String.Format("location{0}", i);
+            string locationId = $"location{i}";
             TimeSerie timeSerie = damProjectData.OutputTimeSerieCollection.AddNewSeries(locationId);
             timeSerie.ParameterId = (i % 2 == 0) ? idPipingBligh : idStabilityInsideFactor;
             timeSerie.ForecastDateTime = DateTime.Now;
@@ -308,12 +308,12 @@
             timeSerie.EndDateTime = new DateTime(2012, 12, 31, 1, 0, 0);
             timeSerie.MissVal = -9999.0;
             timeSerie.LongName = timeSerie.LocationId + "long";
-            timeSerie.StationName = String.Format("station{0}", i);
+            timeSerie.StationName = $"station{i}";
             timeSerie.Units = "m";
-            timeSerie.SourceOrganisation = String.Format("organisation{0}", i);
-            timeSerie.SourceSystem = String.Format("system{0}", i);
-            timeSerie.FileDescription = String.Format("filedescription{0}", i);
-            timeSerie.Region = String.Format("region{0}", i);
+            timeSerie.SourceOrganisation = $"organisation{i}";
+            timeSerie.SourceSystem = $"system{i}";
+            timeSerie.FileDescription = $"filedescription{i}";
+            timeSerie.Region = $"region{i}";
             timeSerie.TimeStep.Multiplier = 3600;
             timeSerie.TimeStep.Unit = TimeStepUnit.Second;
             for (var j = 0; j < timeEntriesCount; j++)
@@ -323,7 +323,7 @@
                     DateTime = new DateTime(2012, 12, 31, 1, j * 10, 0),
                     Value = 1 + j * 0.1,
                     Flag = 1,
-                    BasisFileName = String.Format("BasisFileName{0}", i)
+                    BasisFileName = $"BasisFileName{i}"
                 });
             }
         }