.
diff --git a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/LinkServiceTest.java b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/LinkServiceTest.java
index 8eba8d6..3dbf134 100644
--- a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/LinkServiceTest.java
+++ b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/LinkServiceTest.java
@@ -117,7 +117,7 @@
 		linkProperty = linkService.getLinkProperty(s1);
 		assertNotNull(linkProperty);
 
-		String value = linkProperty.getValues().get(0);
+		String value = linkProperty.getValue();
 		assertEquals(PROPERTY_VALUE_1, value);
 	}
 
diff --git a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/PeServiceTest.java b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/PeServiceTest.java
index 94d642b..c9c9d30 100644
--- a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/PeServiceTest.java
+++ b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/PeServiceTest.java
@@ -385,7 +385,7 @@
 		Property property = peService.getProperty(s1, KEY);
 		assertNotNull(property);
 		if (property != null) {
-			assertEquals(VALUE, property.getValues().get(0));
+			assertEquals(VALUE, property.getValue());
 		}
 
 		peService.removeProperty(s1, KEY);