Index: src/Deltares.DSoilModel.Forms.Tests/ControlTester.cs
===================================================================
diff -u -r306 -r307
--- src/Deltares.DSoilModel.Forms.Tests/ControlTester.cs	(.../ControlTester.cs)	(revision 306)
+++ src/Deltares.DSoilModel.Forms.Tests/ControlTester.cs	(.../ControlTester.cs)	(revision 307)
@@ -6,7 +6,7 @@
 
 namespace Deltares.DSoilModel.Forms.Tests
 {
-    class ControlTester
+    public class ControlTester
     {
         private bool oldBypass;
 
@@ -80,5 +80,14 @@
             Assert.AreEqual(rowCount, gridControl.gridView1.RowCount);
             Assert.AreEqual(colCount, gridControl.gridView1.Columns.Count);
         }
+
+        protected void TestTextBoxVisibleEnabledCaption(Control parentControl, string textBoxName,
+            bool isVisibleExpected, bool isEnabledExpected, string caption)
+        {
+            TestControlVisibleEnabled(parentControl, textBoxName, isVisibleExpected, isEnabledExpected);
+            var textBox = GetPrivateField(parentControl, textBoxName) as TextEdit;
+            Assert.IsNotNull(textBox);
+            Assert.AreEqual(caption, textBox.EditValue);
+        }
     }
 }
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