Index: src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs
===================================================================
diff -u -r411 -r412
--- src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs	(.../DSoilModelPluginTests.cs)	(revision 411)
+++ src/Deltares.DSoilModel.Forms.Tests/DSoilModelPluginTests.cs	(.../DSoilModelPluginTests.cs)	(revision 412)
@@ -1,4 +1,5 @@
-using System.Linq;
+using System.Diagnostics;
+using System.Linq;
 using Deltares.DSoilModel.Data;
 using Deltares.Geometry.Forms;
 using Deltares.Geotechnics.Forms;
@@ -34,8 +35,13 @@
             mainForm.Visible = true;
             mainForm.CreateControl();
 
-            // allow events to be processed, plugin configuration
-            Application.DoEvents();
+            // wait for the plugin & mainform to complete initialization 
+            var s = new Stopwatch();
+            s.Start();
+            while (s.Elapsed.Seconds < 30 && !mainForm.IsMainFormLoaded)
+            {
+                Application.DoEvents();
+            }
         }
 
         [TestFixtureTearDown]
@@ -78,10 +84,13 @@
         private DSoilModelProject NewProject(DSoilModelPlugin p)
         {
             p.Project = new DSoilModelProject();
-            
+
+            // prevent the realtime validator from running
+            RealTimeBackgroundValidator.Instance.Stop();
+
             // allow events to be processed
             Application.DoEvents();
-
+            
             return p.Project;
         }