/**
   * Test if the model contains the list of all products. The following conditions are checked :<br>
   *
   * <ul>
   *   <li>The model contains an attribute called "list"
   *   <li>This list contains only one object
   *   <li>This object is equal to the {@link Client} created before in setUp() method
   * </ul>
   */
  @Test
  public void testList() {
    controller.list(m);
    Map<String, Object> map = m.asMap();

    assertTrue(m.containsAttribute("list"));
    List<?> clients = (List<?>) map.get("list");
    assertEquals(1, clients.size());
    assertEquals(client, clients.get(0));
  }