BAEL-2981: Changed helper name

libraries-2/src/test/java/com/baeldung/handlebars/CustomHelperUnitTest.java

@@ -23,7 +23,7 @@ public class CustomHelperUnitTest {
     @Test
     public void whenHelperIsCreated_ThenCanRegister() throws IOException {
         Handlebars handlebars = new Handlebars(templateLoader);
-        handlebars.registerHelper("person", new Helper<Person>() {
+        handlebars.registerHelper("isBusy", new Helper<Person>() {
             @Override
             public Object apply(Person context, Options options) throws IOException {
                 String busyString = context.isBusy() ? "busy" : "available";

libraries-2/src/test/java/com/baeldung/handlebars/HelperSource.java

@@ -2,7 +2,7 @@ package com.baeldung.handlebars;
 
 public class HelperSource {
 
-    public String person(Person context) {
+    public String isBusy(Person context) {
         String busyString = context.isBusy() ? "busy" : "available";
         return context.getName() + " - " + busyString;
     }

libraries-2/src/test/resources/handlebars/person.html

@@ -1 +1 @@
-{{#person this}}{{/person}}
+{{#isBusy this}}{{/isBusy}}