Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/DikeProfilesImporterTest.cs
===================================================================
diff -u -rfe90a6d174a01975381e6cda55ed1f7f4e831a51 -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/DikeProfilesImporterTest.cs	(.../DikeProfilesImporterTest.cs)	(revision fe90a6d174a01975381e6cda55ed1f7f4e831a51)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/DikeProfilesImporterTest.cs	(.../DikeProfilesImporterTest.cs)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -282,7 +282,8 @@
                 new ProgressNotification("Inlezen van profielgegevens.", 5, 5),
                 new ProgressNotification(expectedAddDataToModelProgressText, 1, 1)
             };
-            ValidateProgressMessages(expectedProgressMessages, progressChangeNotifications);
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
 
             Assert.IsTrue(updateDataStrategy.Updated);
             Assert.AreEqual(5, updateDataStrategy.ReadDikeProfiles.Length);
@@ -381,7 +382,9 @@
                 new ProgressNotification("Inlezen van profielgegevens.", 5, 5),
                 new ProgressNotification(expectedAddDataToModelProgressText, 1, 1)
             };
-            ValidateProgressMessages(expectedProgressMessages, progressChangeNotifications);
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
+
             Assert.IsTrue(updateDataStrategy.Updated);
             Assert.AreEqual(5, updateDataStrategy.ReadDikeProfiles.Length);
         }
@@ -579,33 +582,5 @@
             });
             return referenceLine;
         }
-
-        private static void ValidateProgressMessages(List<ProgressNotification> expectedProgressMessages,
-                                                     List<ProgressNotification> progressChangeNotifications)
-        {
-            Assert.AreEqual(expectedProgressMessages.Count, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Count; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
-        }
-
-        private class ProgressNotification
-        {
-            public ProgressNotification(string description, int currentStep, int totalSteps)
-            {
-                Text = description;
-                CurrentStep = currentStep;
-                TotalSteps = totalSteps;
-            }
-
-            public string Text { get; }
-            public int CurrentStep { get; }
-            public int TotalSteps { get; }
-        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/FailureMechanismSectionsImporterTest.cs
===================================================================
diff -u -rd1bf253a0e3f11a168b4e185c4413c23995a1e8b -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/FailureMechanismSectionsImporterTest.cs	(.../FailureMechanismSectionsImporterTest.cs)	(revision d1bf253a0e3f11a168b4e185c4413c23995a1e8b)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/FailureMechanismSectionsImporterTest.cs	(.../FailureMechanismSectionsImporterTest.cs)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -34,6 +34,7 @@
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.IO.FileImporters;
 using Ringtoets.Common.IO.ReferenceLines;
+using Ringtoets.Common.IO.TestUtil;
 
 namespace Ringtoets.Common.IO.Test.FileImporters
 {
@@ -198,15 +199,9 @@
                 new ProgressNotification("Valideren ingelezen vakindeling.", 2, 3),
                 new ProgressNotification("Geïmporteerde data toevoegen aan het toetsspoor.", 3, 3)
             };
-            Assert.AreEqual(expectedProgressMessages.Length, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Length; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
+
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
         }
 
         [Test]
@@ -657,19 +652,5 @@
                 }
             }
         }
-
-        private class ProgressNotification
-        {
-            public ProgressNotification(string description, int currentStep, int totalSteps)
-            {
-                Text = description;
-                CurrentStep = currentStep;
-                TotalSteps = totalSteps;
-            }
-
-            public string Text { get; }
-            public int CurrentStep { get; }
-            public int TotalSteps { get; }
-        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs
===================================================================
diff -u -ra940166534b3dd6e778de2e7c8e7e5241f3d3381 -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs	(.../ForeshoreProfilesImporterTest.cs)	(revision a940166534b3dd6e778de2e7c8e7e5241f3d3381)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/FileImporters/ForeshoreProfilesImporterTest.cs	(.../ForeshoreProfilesImporterTest.cs)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -36,6 +36,7 @@
 using Ringtoets.Common.Forms.PresentationObjects;
 using Ringtoets.Common.IO.FileImporters;
 using Ringtoets.Common.IO.FileImporters.MessageProviders;
+using Ringtoets.Common.IO.TestUtil;
 
 namespace Ringtoets.Common.IO.Test.FileImporters
 {
@@ -322,7 +323,8 @@
                 new ProgressNotification("Inlezen van profielgegevens.", 5, 5),
                 new ProgressNotification(expectedAddingDataToModelMessage, 1, 1)
             };
-            ValidateProgressMessages(expectedProgressMessages, progressChangeNotifications);
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
         }
 
         [Test]
@@ -453,7 +455,8 @@
                 new ProgressNotification("Inlezen van profielgegevens.", 5, 5),
                 new ProgressNotification(expectedAddingDataToModelMessage, 1, 1)
             };
-            ValidateProgressMessages(expectedProgressMessages, progressChangeNotifications);
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
             // 'observer' should not be notified
         }
 
@@ -672,32 +675,5 @@
             });
             return referenceLine;
         }
-
-        private static void ValidateProgressMessages(List<ProgressNotification> expectedProgressMessages, List<ProgressNotification> progressChangeNotifications)
-        {
-            Assert.AreEqual(expectedProgressMessages.Count, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Count; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
-        }
-
-        private class ProgressNotification
-        {
-            public ProgressNotification(string description, int currentStep, int totalSteps)
-            {
-                Text = description;
-                CurrentStep = currentStep;
-                TotalSteps = totalSteps;
-            }
-
-            public string Text { get; }
-            public int CurrentStep { get; }
-            public int TotalSteps { get; }
-        }
     }
 }
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelImporterTest.cs
===================================================================
diff -u -r09ab76fbe4f768414ad7dd356eb9b2ebd5b1781c -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelImporterTest.cs	(.../StochasticSoilModelImporterTest.cs)	(revision 09ab76fbe4f768414ad7dd356eb9b2ebd5b1781c)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilModelImporterTest.cs	(.../StochasticSoilModelImporterTest.cs)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -36,6 +36,7 @@
 using Ringtoets.Common.IO.FileImporters.MessageProviders;
 using Ringtoets.Common.IO.SoilProfile;
 using Ringtoets.Common.IO.SoilProfile.Schema;
+using Ringtoets.Common.IO.TestUtil;
 
 namespace Ringtoets.Common.IO.Test.SoilProfile
 {
@@ -314,15 +315,8 @@
             }
 
             expectedProgressMessages.Add(new ProgressNotification(expectedAddDataText, 1, 1));
-            Assert.AreEqual(expectedProgressMessages.Count, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Count; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
         }
 
         [Test]
@@ -372,15 +366,8 @@
                                                  "Inlezen van de stochastische ondergrondmodellen.", i, totalNrOfStochasticSoilModelInDatabase));
             }
 
-            Assert.AreEqual(expectedProgressMessages.Count, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Count; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
         }
 
         [Test]
@@ -853,20 +840,6 @@
             invocation.ReturnValue = failureMechanismType == ((StochasticSoilModel) invocation.Arguments[0]).FailureMechanismType;
         }
 
-        private class ProgressNotification
-        {
-            public ProgressNotification(string description, int currentStep, int totalSteps)
-            {
-                Text = description;
-                CurrentStep = currentStep;
-                TotalSteps = totalSteps;
-            }
-
-            public string Text { get; }
-            public int CurrentStep { get; }
-            public int TotalSteps { get; }
-        }
-
         private class TestStochasticSoilModelCollection : ObservableUniqueItemCollectionWithSourcePath<IMechanismStochasticSoilModel>
         {
             public TestStochasticSoilModelCollection()
Index: Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/ProgressNotificationTest.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/ProgressNotificationTest.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/ProgressNotificationTest.cs	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -0,0 +1,46 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets 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 NUnit.Framework;
+
+namespace Ringtoets.Common.IO.TestUtil.Test
+{
+    [TestFixture]
+    public class ProgressNotificationTest
+    {
+        [Test]
+        public void Constructor_WithParameters_ExpectedProperties()
+        {
+            // Setup
+            const string description = "text";
+            const int currentStep = 1;
+            const int totalSteps = 10;
+
+            // Call
+            var notification = new ProgressNotification(description, currentStep, totalSteps);
+
+            // Assert
+            Assert.AreEqual(description, notification.Description);
+            Assert.AreEqual(currentStep, notification.CurrentStep);
+            Assert.AreEqual(totalSteps, notification.TotalSteps);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/Ringtoets.Common.IO.TestUtil.Test.csproj
===================================================================
diff -u -r7b7bd75dc1c1327386c9be96b5d480565bb8ecd6 -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/Ringtoets.Common.IO.TestUtil.Test.csproj	(.../Ringtoets.Common.IO.TestUtil.Test.csproj)	(revision 7b7bd75dc1c1327386c9be96b5d480565bb8ecd6)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil.Test/Ringtoets.Common.IO.TestUtil.Test.csproj	(.../Ringtoets.Common.IO.TestUtil.Test.csproj)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -45,6 +45,7 @@
     <Compile Include="..\..\..\..\Core\Common\src\Core.Common.Version\GlobalAssembly.cs">
       <Link>Properties\GlobalAssembly.cs</Link>
     </Compile>
+    <Compile Include="ProgressNotificationTest.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SoilLayer2DTestFactoryTest.cs" />
     <Compile Include="TestDikeProfileUpdateStrategyTest.cs" />
Index: Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotification.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotification.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotification.cs	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -0,0 +1,57 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets 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.
+
+namespace Ringtoets.Common.IO.TestUtil
+{
+    /// <summary>
+    /// Wrapper class for progress notifications which can be used for testing.
+    /// </summary>
+    public class ProgressNotification
+    {
+        /// <summary>
+        /// Creates a new instance of <see cref="ProgressNotification"/>.
+        /// </summary>
+        /// <param name="description">The progress notification description.</param>
+        /// <param name="currentStep">The current step count.</param>
+        /// <param name="totalSteps">The total number of steps.</param>
+        public ProgressNotification(string description, int currentStep, int totalSteps)
+        {
+            Description = description;
+            CurrentStep = currentStep;
+            TotalSteps = totalSteps;
+        }
+
+        /// <summary>
+        /// Gets the progress notification description.
+        /// </summary>
+        public string Description { get; }
+
+        /// <summary>
+        /// Gets the current step count.
+        /// </summary>
+        public int CurrentStep { get; }
+
+        /// <summary>
+        /// Gets the total number of steps.
+        /// </summary>
+        public int TotalSteps { get; }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotificationTestHelper.cs
===================================================================
diff -u
--- Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotificationTestHelper.cs	(revision 0)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/ProgressNotificationTestHelper.cs	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -0,0 +1,79 @@
+// Copyright (C) Stichting Deltares 2017. All rights reserved.
+//
+// This file is part of Ringtoets.
+//
+// Ringtoets 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.Collections.Generic;
+using System.Linq;
+using NUnit.Framework;
+
+namespace Ringtoets.Common.IO.TestUtil
+{
+    /// <summary>
+    /// A helper for asserting progress notifications.
+    /// </summary>
+    public static class ProgressNotificationTestHelper
+    {
+        /// <summary>
+        /// Asserts that <paramref name="actual"/> is equal to <paramref name="expected"/>.
+        /// </summary>
+        /// <param name="expected">The value that is expected.</param>
+        /// <param name="actual">The actual value.</param>
+        /// <exception cref="AssertionException">Thrown when the <paramref name="actual"/> is 
+        /// not equal to <paramref name="expected"/>.</exception>
+        public static void AssertProgressNotificationsAreEqual(IEnumerable<ProgressNotification> expected,
+                                                               IEnumerable<ProgressNotification> actual)
+        {
+            if (expected == null)
+            {
+                Assert.IsNull(expected);
+                return;
+            }
+
+            ProgressNotification[] expectedArray = expected.ToArray();
+            ProgressNotification[] actualArray = actual.ToArray();
+
+            Assert.AreEqual(expectedArray.Length, actualArray.Length);
+            for (var i = 0; i < expectedArray.Length; i++)
+            {
+                AssertProgressNotificationsAreEqual(expectedArray[i], actualArray[i]);
+            }
+        }
+
+        /// <summary>
+        /// Asserts that <paramref name="actual"/> is equal to <paramref name="expected"/>.
+        /// </summary>
+        /// <param name="expected">The value that is expected.</param>
+        /// <param name="actual">The actual value.</param>
+        /// <exception cref="AssertionException">Thrown when the <paramref name="actual"/> is 
+        /// not equal to <paramref name="expected"/>.</exception>
+        private static void AssertProgressNotificationsAreEqual(ProgressNotification expected,
+                                                                ProgressNotification actual)
+        {
+            if (expected == null)
+            {
+                Assert.IsNull(expected);
+                return;
+            }
+            Assert.AreEqual(expected.Description, actual.Description);
+            Assert.AreEqual(expected.CurrentStep, actual.CurrentStep);
+            Assert.AreEqual(expected.TotalSteps, actual.TotalSteps);
+        }
+    }
+}
\ No newline at end of file
Index: Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/Ringtoets.Common.IO.TestUtil.csproj
===================================================================
diff -u -r7b7bd75dc1c1327386c9be96b5d480565bb8ecd6 -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/Ringtoets.Common.IO.TestUtil.csproj	(.../Ringtoets.Common.IO.TestUtil.csproj)	(revision 7b7bd75dc1c1327386c9be96b5d480565bb8ecd6)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.TestUtil/Ringtoets.Common.IO.TestUtil.csproj	(.../Ringtoets.Common.IO.TestUtil.csproj)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -52,6 +52,8 @@
     </Compile>
     <Compile Include="CustomCalculationConfigurationExporterDesignGuidelinesTestFixture.cs" />
     <Compile Include="CustomCalculationConfigurationWriterDesignGuidelinesTestFixture.cs" />
+    <Compile Include="ProgressNotification.cs" />
+    <Compile Include="ProgressNotificationTestHelper.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SoilLayer2DTestFactory.cs" />
     <Compile Include="TestConfigurationItem.cs" />
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Importers/StochasticSoilModelImporterTest.cs
===================================================================
diff -u -r78382ec129ddc7537096860680cef36f3796700d -r31f4ca2b08257cf05459f63e0d715239e3d90c55
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Importers/StochasticSoilModelImporterTest.cs	(.../StochasticSoilModelImporterTest.cs)	(revision 78382ec129ddc7537096860680cef36f3796700d)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.IO.Test/Importers/StochasticSoilModelImporterTest.cs	(.../StochasticSoilModelImporterTest.cs)	(revision 31f4ca2b08257cf05459f63e0d715239e3d90c55)
@@ -31,6 +31,7 @@
 using Rhino.Mocks;
 using Ringtoets.Common.Data.Exceptions;
 using Ringtoets.Common.IO.FileImporters.MessageProviders;
+using Ringtoets.Common.IO.TestUtil;
 using Ringtoets.MacroStabilityInwards.Data;
 using Ringtoets.MacroStabilityInwards.Data.SoilProfile;
 using Ringtoets.MacroStabilityInwards.IO.Importers;
@@ -256,15 +257,9 @@
                 expectedProgressMessages.Add(new ProgressNotification("Valideren van ingelezen data.", i, expectedModels));
             }
             expectedProgressMessages.Add(new ProgressNotification(expectedAddDataText, 1, 1));
-            Assert.AreEqual(expectedProgressMessages.Count, progressChangeNotifications.Count);
-            for (var i = 0; i < expectedProgressMessages.Count; i++)
-            {
-                ProgressNotification notification = expectedProgressMessages[i];
-                ProgressNotification actualNotification = progressChangeNotifications[i];
-                Assert.AreEqual(notification.Text, actualNotification.Text);
-                Assert.AreEqual(notification.CurrentStep, actualNotification.CurrentStep);
-                Assert.AreEqual(notification.TotalSteps, actualNotification.TotalSteps);
-            }
+
+            ProgressNotificationTestHelper.AssertProgressNotificationsAreEqual(expectedProgressMessages,
+                                                                               progressChangeNotifications);
         }
 
         [Test]
@@ -1045,19 +1040,5 @@
         {
             progress++;
         }
-
-        private class ProgressNotification
-        {
-            public ProgressNotification(string description, int currentStep, int totalSteps)
-            {
-                Text = description;
-                CurrentStep = currentStep;
-                TotalSteps = totalSteps;
-            }
-
-            public string Text { get; }
-            public int CurrentStep { get; }
-            public int TotalSteps { get; }
-        }
     }
 }
\ No newline at end of file