diff --git a/edu.kit.ipd.descartes.adaptation.test/src/edu/kit/ipd/descartes/adaptation/util/DmmModelActionHelperTest.java b/edu.kit.ipd.descartes.adaptation.test/src/edu/kit/ipd/descartes/adaptation/util/DmmModelActionHelperTest.java
index 69ddc38661c2db974a195745237bf1168732771a..ccd7f694a4dc76ac0a3695cfe6f69963653fc4dc 100644
--- a/edu.kit.ipd.descartes.adaptation.test/src/edu/kit/ipd/descartes/adaptation/util/DmmModelActionHelperTest.java
+++ b/edu.kit.ipd.descartes.adaptation.test/src/edu/kit/ipd/descartes/adaptation/util/DmmModelActionHelperTest.java
@@ -3,6 +3,8 @@ package edu.kit.ipd.descartes.adaptation.util;
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
 
+import java.util.List;
+
 import org.eclipse.emf.common.util.BasicEList;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EObject;
@@ -23,6 +25,7 @@ import edu.kit.ipd.descartes.mm.resourceconfiguration.PassiveResourceSpecificati
 import edu.kit.ipd.descartes.mm.resourceconfiguration.ProcessingResourceSpecification;
 import edu.kit.ipd.descartes.mm.resourceconfiguration.ResourceconfigurationFactory;
 import edu.kit.ipd.descartes.mm.resourcelandscape.ComputingInfrastructure;
+import edu.kit.ipd.descartes.mm.resourcelandscape.Container;
 import edu.kit.ipd.descartes.mm.resourcelandscape.DataCenter;
 import edu.kit.ipd.descartes.mm.resourcelandscape.DistributedDataCenter;
 import edu.kit.ipd.descartes.mm.resourcelandscape.ResourcelandscapeFactory;
@@ -75,6 +78,10 @@ public class DmmModelActionHelperTest extends AbstractTest {
     
     @Test
     public void testFilterEntities() {
+        Container c1 = ResourcelandscapeFactory.eINSTANCE.createComputingInfrastructure();
+        Container c2 = ResourcelandscapeFactory.eINSTANCE.createComputingInfrastructure();
+        
+        
         RuntimeEnvironment re1 = ResourcelandscapeFactory.eINSTANCE.createRuntimeEnvironment();
         re1.setName(CANDIDATE + DmmModelChanger.COPY_MARK);
         re1.setId(EcoreUtil.generateUUID());
@@ -86,6 +93,10 @@ public class DmmModelActionHelperTest extends AbstractTest {
         re3.setId(EcoreUtil.generateUUID());
         re3.setTemplate(template);
         
+        re1.setContainedIn(c1);
+        re2.setContainedIn(c1);
+        re3.setContainedIn(c2);
+        
         EList<RuntimeEnvironment> entityList = new BasicEList<RuntimeEnvironment>();
         entityList.add(re1);
         entityList.add(re2);
@@ -96,12 +107,13 @@ public class DmmModelActionHelperTest extends AbstractTest {
         comparator.setId(EcoreUtil.generateUUID());
         comparator.getConfigSpec().add(aSpec);
         comparator.setTemplate(template);
+        comparator.setContainedIn(c2);
         
-        RuntimeEnvironment result = DmmModelActionHelper.filterCandidates(entityList, comparator);
+        RuntimeEnvironment result = DmmModelActionHelper.filterCopiedRuntimeEnvironment(entityList, comparator);
         assertEquals(re3, result);
         
         entityList.remove(re3);
-        assertEquals(null, DmmModelActionHelper.filterCandidates(entityList, comparator));
+        assertEquals(null, DmmModelActionHelper.filterCopiedRuntimeEnvironment(entityList, comparator));
     }
 
     @Test
@@ -141,5 +153,52 @@ public class DmmModelActionHelperTest extends AbstractTest {
         RuntimeEnvironment res = DmmModelActionHelper.queryUnfilledRuntimeEnvironment(re1);
         assertTrue(EcoreUtil.equals(re2, res));
     }
+    
+    @Test 
+    public void testQueryContainersWithSimilarSpecs() {
+        DistributedDataCenter testDdc = ResourcelandscapeFactory.eINSTANCE.createDistributedDataCenter();
+        DataCenter dc1 = ResourcelandscapeFactory.eINSTANCE.createDataCenter();
+        testDdc.getConsistsOf().add(dc1);
+        ComputingInfrastructure ci1 = ResourcelandscapeFactory.eINSTANCE.createComputingInfrastructure();
+        ComputingInfrastructure ci2 = ResourcelandscapeFactory.eINSTANCE.createComputingInfrastructure();
+        dc1.getContains().add(ci1);
+        dc1.getContains().add(ci2);
+        ContainerTemplate template = ContainerrepositoryFactory.eINSTANCE.createContainerTemplate();
+        RuntimeEnvironment re1 = ResourcelandscapeFactory.eINSTANCE.createRuntimeEnvironment();
+        RuntimeEnvironment re2 = ResourcelandscapeFactory.eINSTANCE.createRuntimeEnvironment();
+        RuntimeEnvironment re3 = ResourcelandscapeFactory.eINSTANCE.createRuntimeEnvironment();
+        ci1.getContains().add(re1);
+        ci1.getContains().add(re2);
+        ci2.getContains().add(re3);
+        re1.setTemplate(template);
+        re2.setTemplate(template);
+        re3.setTemplate(template);
+        re1.setName("RE1");
+        re2.setName("RE2");
+        re3.setName("RE3" + DmmModelChanger.COPY_MARK);
+       
+        ActiveResourceSpecification active1 = ResourceconfigurationFactory.eINSTANCE.createActiveResourceSpecification();
+        ActiveResourceSpecification active2 = ResourceconfigurationFactory.eINSTANCE.createActiveResourceSpecification();
+        
+        ProcessingResourceSpecification procSpec1 = ResourceconfigurationFactory.eINSTANCE.createProcessingResourceSpecification();
+        NumberOfParallelProcessingUnits nr1 = ResourceconfigurationFactory.eINSTANCE.createNumberOfParallelProcessingUnits();
+        nr1.setNumber(4);
+        procSpec1.setNrOfParProcUnits(nr1);
+        active1.getProcessingResourceSpecifications().add(procSpec1);
+        
+        ProcessingResourceSpecification procSpec2 = ResourceconfigurationFactory.eINSTANCE.createProcessingResourceSpecification();
+        NumberOfParallelProcessingUnits nr2 = ResourceconfigurationFactory.eINSTANCE.createNumberOfParallelProcessingUnits();
+        nr2.setNumber(2);
+        procSpec2.setNrOfParProcUnits(nr2);
+        active2.getProcessingResourceSpecifications().add(procSpec2);
+
+        re1.getConfigSpec().add(active1);
+        re2.getConfigSpec().add(active2);
+        re3.getConfigSpec().add(EcoreUtil.copy(active1));
+        
+        List<Container> result = DmmModelActionHelper.queryContainersWithSimilarSpecs(re1);
+        assertEquals(1, result.size());
+        assertTrue( ! result.contains(re2));
+    }
 
 }