diff --git a/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java b/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
index 6fde4f34c..cd898ea2b 100644
--- a/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
+++ b/lib/taskana-core/src/test/java/acceptance/task/UpdateTaskAccTest.java
@@ -9,6 +9,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 
 import acceptance.AbstractAccTest;
+import pro.taskana.TaskService;
 import pro.taskana.exceptions.ClassificationNotFoundException;
 import pro.taskana.exceptions.InvalidArgumentException;
 import pro.taskana.exceptions.InvalidWorkbasketException;
@@ -99,6 +100,66 @@ public class UpdateTaskAccTest extends AbstractAccTest {
         //
     }
 
+    @Ignore
+    @WithAccessId(
+        userName = "user_1_1",
+        groupNames = { "group_1" })
+    @Test
+    public void testUpdateClassificationOfTask()
+        throws SQLException, NotAuthorizedException, InvalidArgumentException, ClassificationNotFoundException,
+        WorkbasketNotFoundException, TaskAlreadyExistException, InvalidWorkbasketException {
+
+        // TaskService taskService = taskanaEngine.getTaskService();
+        // Task with classification T2000
+        // Task task = taskService.getTask("TKI:000000000000000000000000000000000000");
+        // task.setClassificationKey("T2100"));
+        // Task updatedTask = taskService.updateTask(task);
+        //
+        // assertNotNull(updatedTask);
+        // assertEquals("T2100", updatedTask.getClassification().getKey());
+        // assertNotEquals(updatedTask.getCreated(), updatedTask.getModified());
+        // assertEquals(22, updatedTask.getPriority());
+        // assertEquals(task.getPlanned(), updatedTask.getPlanned());
+        // assertEquals(???, updatedTask.getDue()); // should be one day later
+        // assertEquals("T-Vertragstermin VERA", updatedTask.getName());
+        // assertEquals("T-Vertragstermin VERA", updatedTask.getDescription());
+    }
+
+    @Ignore
+    @WithAccessId(
+        userName = "user_1_1",
+        groupNames = { "group_1" })
+    @Test
+    public void testCustomPropertiesOfTask()
+        throws SQLException, NotAuthorizedException, InvalidArgumentException, ClassificationNotFoundException,
+        WorkbasketNotFoundException, TaskAlreadyExistException, InvalidWorkbasketException {
+
+        // TaskService taskService = taskanaEngine.getTaskService();
+        // Task with classification T2000
+        // Task task = taskService.getTask("TKI:000000000000000000000000000000000000");
+        // task.setCustomProperty1("T2100"));
+        // ...
+        // Task updatedTask = taskService.updateTask(task);
+        //
+        // assertNotNull(updatedTask);
+        // meaningful assertions
+    }
+
+    @Ignore
+    @WithAccessId(
+        userName = "user_1_1",
+        groupNames = { "group_1" })
+    // @Test(expected = InvalidOperationException.class)
+    public void testUpdateOfWorkbasketKeyNotAllowed()
+        throws SQLException, NotAuthorizedException, InvalidArgumentException, ClassificationNotFoundException,
+        WorkbasketNotFoundException, TaskAlreadyExistException, InvalidWorkbasketException {
+
+        TaskService taskService = taskanaEngine.getTaskService();
+        // Task task = taskService.getTask("TKI:000000000000000000000000000000000000");
+        // task.setWorkbasketKey("USER_2_2");
+        // Task updatedTask = taskService.updateTask(task);
+    }
+
     @AfterClass
     public static void cleanUpClass() {
         FileUtils.deleteRecursive("~/data", true);