diff --git a/Modules/Core/test/mitkRotatedSlice4DTest.cpp b/Modules/Core/test/mitkRotatedSlice4DTest.cpp
index d2dc127096..601a515a98 100644
--- a/Modules/Core/test/mitkRotatedSlice4DTest.cpp
+++ b/Modules/Core/test/mitkRotatedSlice4DTest.cpp
@@ -1,84 +1,91 @@
 /*===================================================================
 
 The Medical Imaging Interaction Toolkit (MITK)
 
 Copyright (c) German Cancer Research Center,
 Division of Medical and Biological Informatics.
 All rights reserved.
 
 This software is distributed WITHOUT ANY WARRANTY; without
 even the implied warranty of MERCHANTABILITY or FITNESS FOR
 A PARTICULAR PURPOSE.
 
 See LICENSE.txt or http://www.mitk.org for details.
 
 ===================================================================*/
 
 #include "mitkInteractionConst.h"
 #include "mitkImageTimeSelector.h"
 #include "mitkExtractSliceFilter.h"
 #include "time.h"
 #include "mitkImagePixelReadAccessor.h"
-#include <mitkTestingMacros.h>
-#include <mitkIOUtil.h>
+#include "mitkTestingMacros.h"
+#include "mitkIOUtil.h"
 #include "mitkRotationOperation.h"
 
+
 /*
-*
+* The mitkRotatedSlice4DTest loads a 4D image and extracts a specifically rotated slice in each time step's volume.
 */
 int mitkRotatedSlice4DTest(int  argc , char* argv[])
 {
    MITK_TEST_BEGIN("mitkRotatedSlice4DTest");
 
    std::string filename = argv[1];
 
    // load 4D image
    mitk::Image::Pointer image4D = mitk::IOUtil::LoadImage(filename);
    // check inputs
    if ( image4D.IsNull() )
    {
       MITK_INFO << "Could not load the file";
       return false;
    }
 
    // for each time step...
    for (unsigned int ts = 0; ts < image4D->GetTimeSteps(); ts++)
    {
      mitk::ImageTimeSelector::Pointer timeSelector = mitk::ImageTimeSelector::New();
      timeSelector->SetInput( image4D );
      timeSelector->SetTimeNr( ts );
      timeSelector->Update();
      mitk::Image::Pointer image3D = timeSelector->GetOutput();
 
      int sliceNumber = 5;
 
      mitk::PlaneGeometry::Pointer plane = mitk::PlaneGeometry::New();
      plane->InitializeStandardPlane(image3D->GetGeometry(),
         mitk::PlaneGeometry::Frontal,sliceNumber, true,false);
 
      // rotate about an arbitrary point and axis...
      float angle = 30;
      mitk::Point3D point;
      point.Fill(sliceNumber);
      mitk::Vector3D rotationAxis;
      rotationAxis[0] = 1;
      rotationAxis[1] = 2;
      rotationAxis[2] = 3;
      rotationAxis.Normalize();
 
      // Create Rotation Operation
      mitk::RotationOperation* op = new mitk::RotationOperation(mitk::OpROTATE, point, rotationAxis, angle);
      plane->ExecuteOperation(op);
      delete op;
 
      // Now extract
      mitk::ExtractSliceFilter::Pointer extractor = mitk::ExtractSliceFilter::New();
      extractor->SetInput(image3D);
      extractor->SetWorldGeometry(plane);
      extractor->Update();
      mitk::Image::Pointer extractedPlane;
      extractedPlane = extractor->GetOutput();
 
+     std::stringstream ss;
+     ss << " : Valid slice in timestep " << ts;
+
+     MITK_TEST_CONDITION_REQUIRED(extractedPlane.IsNotNull()
+         , ss.str().c_str());
+
    }
    MITK_TEST_END();
 }