@Test
 public void should_enter_text_in_JComboBox_with_String_values() {
   JComboBoxFixture comboBox = fixture(newArrayList("1999", "2000", "2001", "2002"));
   comboBox.enterText("78");
   assertThatEditorHasValue(comboBox, "78");
 }
 @Test
 public void should_enter_text_in_JComboBox_with__integer_values() {
   JComboBoxFixture comboBox = fixture(newArrayList(1999, 2000, 2001, 2002));
   comboBox.enterText("20");
   assertThatEditorHasValue(comboBox, "20");
 }