Index: Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs
===================================================================
diff -u
--- Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(revision 0)
+++ Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -0,0 +1,40 @@
+using System;
+using Core.Common.Base;
+using Core.Common.Controls.PresentationObjects;
+using Riskeer.Common.Data.AssessmentSection;
+using Riskeer.Common.Data.Hydraulics;
+
+namespace Riskeer.Common.Forms.PresentationObjects
+{
+    /// <summary>
+    /// Presentation object for all hydraulic boundary location calculations based on user defined target probabilities.
+    /// </summary>
+    public abstract class HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext
+        : ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext"/>.
+        /// </summary>
+        /// <param name="wrappedData">The calculations wrapped by the
+        /// <see cref="HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext"/>.</param>
+        /// <param name="assessmentSection">The <see cref="IAssessmentSection"/> that the
+        /// <see cref="HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext"/> belongs to.</param>
+        /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
+        protected HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext(ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability> wrappedData,
+                                                                                                         IAssessmentSection assessmentSection)
+            : base(wrappedData)
+        {
+            if (assessmentSection == null)
+            {
+                throw new ArgumentNullException(nameof(assessmentSection));
+            }
+
+            AssessmentSection = assessmentSection;
+        }
+
+        /// <summary>
+        /// Gets the assessment section that the context belongs to.
+        /// </summary>
+        public IAssessmentSection AssessmentSection { get; }
+    }
+}
\ No newline at end of file
Index: Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs
===================================================================
diff -u -r9719d6ccb6c1bb1aba788f160fedc8135e87462e -ra87681a8625134e43c91ef41e7b90d7c412db325
--- Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs)	(revision 9719d6ccb6c1bb1aba788f160fedc8135e87462e)
+++ Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs)	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -21,7 +21,6 @@
 
 using System;
 using Core.Common.Base;
-using Core.Common.Controls.PresentationObjects;
 using Riskeer.Common.Data.AssessmentSection;
 using Riskeer.Common.Data.Hydraulics;
 
@@ -30,7 +29,7 @@
     /// <summary>
     /// Presentation object for all water level calculations based on user defined target probabilities.
     /// </summary>
-    public class WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext : ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>
+    public class WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext : HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext
     {
         /// <summary>
         /// Creates a new instance of <see cref="WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext"/>.
@@ -40,19 +39,6 @@
         /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
         public WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext(ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability> wrappedData,
                                                                                    IAssessmentSection assessmentSection)
-            : base(wrappedData)
-        {
-            if (assessmentSection == null)
-            {
-                throw new ArgumentNullException(nameof(assessmentSection));
-            }
-
-            AssessmentSection = assessmentSection;
-        }
-
-        /// <summary>
-        /// Gets the assessment section that the context belongs to.
-        /// </summary>
-        public IAssessmentSection AssessmentSection { get; }
+            : base(wrappedData, assessmentSection) {}
     }
 }
\ No newline at end of file
Index: Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs
===================================================================
diff -u -r9719d6ccb6c1bb1aba788f160fedc8135e87462e -ra87681a8625134e43c91ef41e7b90d7c412db325
--- Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs)	(revision 9719d6ccb6c1bb1aba788f160fedc8135e87462e)
+++ Riskeer/Common/src/Riskeer.Common.Forms/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext.cs)	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -21,7 +21,6 @@
 
 using System;
 using Core.Common.Base;
-using Core.Common.Controls.PresentationObjects;
 using Riskeer.Common.Data.AssessmentSection;
 using Riskeer.Common.Data.Hydraulics;
 
@@ -30,7 +29,7 @@
     /// <summary>
     /// Presentation object for all wave height calculations based on user defined target probabilities.
     /// </summary>
-    public class WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext : ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>
+    public class WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext : HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext
     {
         /// <summary>
         /// Creates a new instance of <see cref="WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext"/>.
@@ -40,19 +39,6 @@
         /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
         public WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext(ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability> wrappedData,
                                                                                    IAssessmentSection assessmentSection)
-            : base(wrappedData)
-        {
-            if (assessmentSection == null)
-            {
-                throw new ArgumentNullException(nameof(assessmentSection));
-            }
-
-            AssessmentSection = assessmentSection;
-        }
-
-        /// <summary>
-        /// Gets the assessment section that the context belongs to.
-        /// </summary>
-        public IAssessmentSection AssessmentSection { get; }
+            : base(wrappedData, assessmentSection) {}
     }
 }
\ No newline at end of file
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs
===================================================================
diff -u
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(revision 0)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -0,0 +1,75 @@
+// Copyright (C) Stichting Deltares 2021. All rights reserved.
+//
+// This file is part of Riskeer.
+//
+// Riskeer is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+// 
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+// All names, logos, and references to "Deltares" are registered trademarks of
+// Stichting Deltares and remain full property of Stichting Deltares at all times.
+// All rights reserved.
+
+using System;
+using Core.Common.Base;
+using Core.Common.Controls.PresentationObjects;
+using NUnit.Framework;
+using Rhino.Mocks;
+using Riskeer.Common.Data.AssessmentSection;
+using Riskeer.Common.Data.Hydraulics;
+using Riskeer.Common.Forms.PresentationObjects;
+
+namespace Riskeer.Common.Forms.Test.PresentationObjects
+{
+    [TestFixture]
+    public class HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContextTest
+    {
+        [Test]
+        public void Constructor_AssessmentSectionNull_ThrowsArgumentNullException()
+        {
+            // Call
+            void Call() => new TestHydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext(new ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>(), null);
+
+            // Assert
+            var exception = Assert.Throws<ArgumentNullException>(Call);
+            Assert.AreEqual("assessmentSection", exception.ParamName);
+        }
+
+        [Test]
+        public void Constructor_ExpectedValues()
+        {
+            // Setup
+            var mockRepository = new MockRepository();
+            var assessmentSection = mockRepository.Stub<IAssessmentSection>();
+            mockRepository.ReplayAll();
+
+            var calculations = new ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>();
+
+            // Call
+            var context = new TestHydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext(calculations, assessmentSection);
+
+            // Assert
+            Assert.IsInstanceOf<ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>>(context);
+            Assert.AreSame(calculations, context.WrappedData);
+            Assert.AreSame(assessmentSection, context.AssessmentSection);
+            mockRepository.VerifyAll();
+        }
+
+        private class TestHydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext
+            : HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext
+        {
+            public TestHydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext(
+                ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability> wrappedData, IAssessmentSection assessmentSection)
+                : base(wrappedData, assessmentSection) {}
+        }
+    }
+}
\ No newline at end of file
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs
===================================================================
diff -u -r2a1abc74560c6ef1f82fa9dd3023d3f8adb09dba -ra87681a8625134e43c91ef41e7b90d7c412db325
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs)	(revision 2a1abc74560c6ef1f82fa9dd3023d3f8adb09dba)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(.../WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs)	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -19,9 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using Core.Common.Base;
-using Core.Common.Controls.PresentationObjects;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Riskeer.Common.Data.AssessmentSection;
@@ -34,17 +32,6 @@
     public class WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContextTest
     {
         [Test]
-        public void Constructor_AssessmentSectionNull_ThrowsArgumentNullException()
-        {
-            // Call
-            void Call() => new WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext(new ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>(), null);
-
-            // Assert
-            var exception = Assert.Throws<ArgumentNullException>(Call);
-            Assert.AreEqual("assessmentSection", exception.ParamName);
-        }
-
-        [Test]
         public void Constructor_ExpectedValues()
         {
             // Setup
@@ -58,7 +45,7 @@
             var context = new WaterLevelCalculationsForUserDefinedTargetProbabilitiesGroupContext(calculations, assessmentSection);
 
             // Assert
-            Assert.IsInstanceOf<ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>>(context);
+            Assert.IsInstanceOf<HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext>(context);
             Assert.AreSame(calculations, context.WrappedData);
             Assert.AreSame(assessmentSection, context.AssessmentSection);
             mockRepository.VerifyAll();
Index: Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs
===================================================================
diff -u -r2a1abc74560c6ef1f82fa9dd3023d3f8adb09dba -ra87681a8625134e43c91ef41e7b90d7c412db325
--- Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs)	(revision 2a1abc74560c6ef1f82fa9dd3023d3f8adb09dba)
+++ Riskeer/Common/test/Riskeer.Common.Forms.Test/PresentationObjects/WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs	(.../WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest.cs)	(revision a87681a8625134e43c91ef41e7b90d7c412db325)
@@ -19,9 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using Core.Common.Base;
-using Core.Common.Controls.PresentationObjects;
 using NUnit.Framework;
 using Rhino.Mocks;
 using Riskeer.Common.Data.AssessmentSection;
@@ -34,17 +32,6 @@
     public class WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContextTest
     {
         [Test]
-        public void Constructor_AssessmentSectionNull_ThrowsArgumentNullException()
-        {
-            // Call
-            void Call() => new WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext(new ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>(), null);
-
-            // Assert
-            var exception = Assert.Throws<ArgumentNullException>(Call);
-            Assert.AreEqual("assessmentSection", exception.ParamName);
-        }
-
-        [Test]
         public void Constructor_ExpectedValues()
         {
             // Setup
@@ -58,7 +45,7 @@
             var context = new WaveHeightCalculationsForUserDefinedTargetProbabilitiesGroupContext(calculations, assessmentSection);
 
             // Assert
-            Assert.IsInstanceOf<ObservableWrappedObjectContextBase<ObservableList<HydraulicBoundaryLocationCalculationsForTargetProbability>>>(context);
+            Assert.IsInstanceOf<HydraulicBoundaryLocationCalculationsForUserDefinedTargetProbabilitiesGroupContext>(context);
             Assert.AreSame(calculations, context.WrappedData);
             Assert.AreSame(assessmentSection, context.AssessmentSection);
             mockRepository.VerifyAll();