Index: Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingMapDataFeaturesFactoryTest.cs
===================================================================
diff -u -r0b7a1c98a784ad9ac3eff8c0e8f1fae117ab47f0 -r31d83651ac426afc55ed5796843a2cd5f1770480
--- Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingMapDataFeaturesFactoryTest.cs	(.../PipingMapDataFeaturesFactoryTest.cs)	(revision 0b7a1c98a784ad9ac3eff8c0e8f1fae117ab47f0)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Forms.Test/Views/PipingMapDataFeaturesFactoryTest.cs	(.../PipingMapDataFeaturesFactoryTest.cs)	(revision 31d83651ac426afc55ed5796843a2cd5f1770480)
@@ -50,7 +50,7 @@
         public void CreateSurfaceLineFeatures_NoSurfaceLines_ReturnsEmptyFeaturesArray()
         {
             // Call
-            MapFeature[] features = PipingMapDataFeaturesFactory.CreateSurfaceLineFeatures(Enumerable.Empty<RingtoetsPipingSurfaceLine>());
+            MapFeature[] features = PipingMapDataFeaturesFactory.CreateSurfaceLineFeatures(new RingtoetsPipingSurfaceLine[0]);
 
             // Assert
             CollectionAssert.IsEmpty(features);
@@ -113,7 +113,7 @@
         public void CreateStochasticSoilModelFeatures_NoStochasticSoilModels_ReturnsEmptyFeaturesArray()
         {
             // Call
-            MapFeature[] features = PipingMapDataFeaturesFactory.CreateStochasticSoilModelFeatures(Enumerable.Empty<StochasticSoilModel>());
+            MapFeature[] features = PipingMapDataFeaturesFactory.CreateStochasticSoilModelFeatures(new StochasticSoilModel[0]);
 
             // Assert
             CollectionAssert.IsEmpty(features);