@Test
  public void testGetWorkflowWallClockMinutes()
      throws RepositoryException, XmlRpcException, IOException {
    List<WorkflowInstance> workflowlist = fmc.getWorkflowInstances();

    assertThat(workflowlist, is(not(nullValue())));

    assertThat(workflowlist.size(), is(not(0)));

    WorkflowInstance instance = fmc.getWorkflowInstanceById(workflowlist.get(0).getId());

    assertThat(instance, is(not(nullValue())));

    double clock = fmc.getWorkflowWallClockMinutes(instance.getId());

    assertThat(clock, is(not(nullValue())));
  }