Index: Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableMeasure.cs
===================================================================
diff -u -r92da0ade810a7277aa1f73365a6dd45aaf4864c0 -rf79dd2e1f821a759c13b3576e09532105789a05d
--- Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableMeasure.cs	(.../SerializableMeasure.cs)	(revision 92da0ade810a7277aa1f73365a6dd45aaf4864c0)
+++ Ringtoets/AssemblyTool/src/Ringtoets.AssemblyTool.IO/Model/SerializableMeasure.cs	(.../SerializableMeasure.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
@@ -32,7 +32,10 @@
         /// <summary>
         /// Creates a new instance of <see cref="SerializableMeasure"/>.
         /// </summary>
-        public SerializableMeasure() {}
+        public SerializableMeasure()
+        {
+            Value = double.NaN;
+        }
 
         /// <summary>
         /// Creates a new instance of <see cref="SerializableMeasure"/>.
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs
===================================================================
diff -u -r460f9df20ddc6cb2ef731fad1b67dab412988761 -rf79dd2e1f821a759c13b3576e09532105789a05d
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs	(.../SerializableBoundaryTest.cs)	(revision 460f9df20ddc6cb2ef731fad1b67dab412988761)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableBoundaryTest.cs	(.../SerializableBoundaryTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
@@ -27,6 +27,7 @@
 
 namespace Ringtoets.AssemblyTool.IO.Test.Model.Gml
 {
+    [TestFixture]
     public class SerializableBoundaryTest
     {
         [Test]
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs
===================================================================
diff -u -r17113c2d6dcf27b53e2864b239e048a284bbdf4e -rf79dd2e1f821a759c13b3576e09532105789a05d
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs	(.../SerializableEnvelopeTest.cs)	(revision 17113c2d6dcf27b53e2864b239e048a284bbdf4e)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/Gml/SerializableEnvelopeTest.cs	(.../SerializableEnvelopeTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
@@ -27,6 +27,7 @@
 
 namespace Ringtoets.AssemblyTool.IO.Test.Model.Gml
 {
+    [TestFixture]
     public class SerializableEnvelopeTest
     {
         [Test]
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs
===================================================================
diff -u -r460f9df20ddc6cb2ef731fad1b67dab412988761 -rf79dd2e1f821a759c13b3576e09532105789a05d
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs	(.../SerializableAssemblyTest.cs)	(revision 460f9df20ddc6cb2ef731fad1b67dab412988761)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableAssemblyTest.cs	(.../SerializableAssemblyTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
@@ -32,6 +32,7 @@
 
 namespace Ringtoets.AssemblyTool.IO.Test.Model
 {
+    [TestFixture]
     public class SerializableAssemblyTest
     {
         [Test]
Index: Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableMeasureTest.cs
===================================================================
diff -u -r92da0ade810a7277aa1f73365a6dd45aaf4864c0 -rf79dd2e1f821a759c13b3576e09532105789a05d
--- Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableMeasureTest.cs	(.../SerializableMeasureTest.cs)	(revision 92da0ade810a7277aa1f73365a6dd45aaf4864c0)
+++ Ringtoets/AssemblyTool/test/Ringtoets.AssemblyTool.IO.Test/Model/SerializableMeasureTest.cs	(.../SerializableMeasureTest.cs)	(revision f79dd2e1f821a759c13b3576e09532105789a05d)
@@ -30,6 +30,7 @@
 
 namespace Ringtoets.AssemblyTool.IO.Test.Model
 {
+    [TestFixture]
     public class SerializableMeasureTest
     {
         [Test]