@Test
public void testMissingParameters() throws Exception {

	helper = new TemplateHelper(null);
	assertEquals("<div>{{key2}}</div>{{key3}}", helper.replace("<div>{{key2}}</div>{{key3}}", values));
	helper = new TemplateHelper("");
	assertEquals("<div>{{key2}}</div>{{key3}}", helper.replace("<div>{{key2}}</div>{{key3}}", values));
}