SetAssignExtension implements CustomTagExtension<SetAssignExtension.SetAssignTag> { public String getTagName() { return "assign"; }  Class<SetAssignTag> getTagActionClass(); String getTagName(); String getTagNameSpace(); List<Map<String, String>> pipelinePossibleStates(SetAssignTag action,
                                                            List<Map<String, String>> possibleStateList);  }
@Test public void tagNameTest() { SetAssignExtension setAssign = new SetAssignExtension(); Assert.assertEquals("assign", setAssign.getTagName()); }