Index: Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Exporters/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs
===================================================================
diff -u -r96cd93f1a08294e5af3fec5f5ae0b59cbe914c4b -rb731017e828e47ed72aa803dfcc7eeaa7f770933
--- Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Exporters/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs)	(revision 96cd93f1a08294e5af3fec5f5ae0b59cbe914c4b)
+++ Ringtoets/GrassCoverErosionInwards/test/Ringtoets.GrassCoverErosionInwards.IO.Test/Exporters/GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs	(.../GrassCoverErosionInwardsCalculationConfigurationExporterTest.cs)	(revision b731017e828e47ed72aa803dfcc7eeaa7f770933)
@@ -19,14 +19,11 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
-using System;
 using System.IO;
-using System.Linq;
-using System.Security.AccessControl;
 using Core.Common.TestUtil;
 using NUnit.Framework;
 using Ringtoets.Common.Data.Calculation;
-using Ringtoets.Common.IO.Exporters;
+using Ringtoets.Common.IO.TestUtil;
 using Ringtoets.GrassCoverErosionInwards.Data;
 using Ringtoets.GrassCoverErosionInwards.IO.Exporters;
 using Ringtoets.GrassCoverErosionInwards.IO.Writers;
@@ -35,31 +32,20 @@
 {
     [TestFixture]
     public class GrassCoverErosionInwardsCalculationConfigurationExporterTest
+        : CustomCalculationConfigurationExporterDesignGuidelinesTestFixture<
+            GrassCoverErosionInwardsCalculationConfigurationExporter,
+            GrassCoverErosionInwardsCalculationConfigurationWriter,
+            GrassCoverErosionInwardsCalculation>
     {
         [Test]
-        public void Constructor_ExpectedValues()
-        {
-            // Call
-            var exporter = new GrassCoverErosionInwardsCalculationConfigurationExporter(Enumerable.Empty<ICalculationBase>(), "test.xml");
-
-            // Assert
-            Assert.IsInstanceOf<
-                CalculationConfigurationExporter<
-                    GrassCoverErosionInwardsCalculationConfigurationWriter,
-                    GrassCoverErosionInwardsCalculation>>(exporter);
-        }
-
-        [Test]
         public void Export_ValidData_ReturnTrueAndWritesFile()
         {
             // Setup
-            string filePath = TestHelper.GetScratchPadPath($"{nameof(Export_ValidData_ReturnTrueAndWritesFile)}.xml");
-
-            GrassCoverErosionInwardsCalculation calculation = new GrassCoverErosionInwardsCalculation
+            var calculation = new GrassCoverErosionInwardsCalculation
             {
                 Name = "Berekening 1"
             };
-            GrassCoverErosionInwardsCalculation calculation2 = new GrassCoverErosionInwardsCalculation
+            var calculation2 = new GrassCoverErosionInwardsCalculation
             {
                 Name = "Berekening 2"
             };
@@ -81,61 +67,15 @@
                 }
             };
 
-            var exporter = new GrassCoverErosionInwardsCalculationConfigurationExporter(new[]
-            {
-                calculationGroup
-            }, filePath);
+            string expectedXmlFilePath = TestHelper.GetTestDataPath(
+                TestDataPath.Ringtoets.GrassCoverErosionInwards.IO,
+                Path.Combine(nameof(GrassCoverErosionInwardsCalculationConfigurationExporter), "folderWithSubfolderAndCalculation.xml"));
 
-            try
+            // Call and Assert
+            WriteAndValidate(new[]
             {
-                // Call
-                bool isExported = exporter.Export();
-
-                // Assert
-                Assert.IsTrue(isExported);
-                Assert.IsTrue(File.Exists(filePath));
-
-                string actualXml = File.ReadAllText(filePath);
-                string expectedXmlFilePath = TestHelper.GetTestDataPath(
-                    TestDataPath.Ringtoets.GrassCoverErosionInwards.IO,
-                    Path.Combine(nameof(GrassCoverErosionInwardsCalculationConfigurationExporter), "folderWithSubfolderAndCalculation.xml"));
-
-                string expectedXml = File.ReadAllText(expectedXmlFilePath);
-
-                Assert.AreEqual(expectedXml, actualXml);
-            }
-            finally
-            {
-                File.Delete(filePath);
-            }
+                calculationGroup
+            }, expectedXmlFilePath);
         }
-
-        [Test]
-        public void Export_InvalidDirectoryRights_LogErrorAndReturnFalse()
-        {
-            // Setup
-            string directoryPath = TestHelper.GetScratchPadPath(nameof(Export_InvalidDirectoryRights_LogErrorAndReturnFalse));
-            using (var disposeHelper = new DirectoryDisposeHelper(TestHelper.GetScratchPadPath(), nameof(Export_InvalidDirectoryRights_LogErrorAndReturnFalse)))
-            {
-                string filePath = Path.Combine(directoryPath, "test.xml");
-
-                var exporter = new GrassCoverErosionInwardsCalculationConfigurationExporter(new[]
-                {
-                    new GrassCoverErosionInwardsCalculation()
-                }, filePath);
-
-                disposeHelper.LockDirectory(FileSystemRights.Write);
-
-                // Call
-                var isExported = true;
-                Action call = () => isExported = exporter.Export();
-
-                // Assert
-                string expectedMessage = $"Er is een onverwachte fout opgetreden tijdens het schrijven van het bestand '{filePath}'. "
-                                         + "Er is geen configuratie geëxporteerd.";
-                TestHelper.AssertLogMessageIsGenerated(call, expectedMessage);
-                Assert.IsFalse(isExported);
-            }
-        }
     }
 }
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