adapt test
diff --git a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/GaServiceTest.java b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/GaServiceTest.java
index c99b032..e70ea47 100644
--- a/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/GaServiceTest.java
+++ b/tests/org.eclipse.graphiti.tests/src/org/eclipse/graphiti/tests/cases/GaServiceTest.java
@@ -428,7 +428,7 @@
 		Font font = gas.manageFont(d, FONTNAME, 10);
 		text.setFont(font);
 		assertEquals(font, text.getFont());
-		gas.deleteFont(text);
+		gas.deleteFont(font);
 		assertNull(text.getFont());
 	}