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