diff --git a/test/test.2.taskchain.ts b/test/test.2.taskchain.ts
index 4d0d0ce..5371128 100644
--- a/test/test.2.taskchain.ts
+++ b/test/test.2.taskchain.ts
@@ -5,7 +5,7 @@ import * as smartpromise from '@pushrocks/smartpromise';
 import * as smartdelay from '@pushrocks/smartdelay';
 
 let task1Executed = false;
-let task1 = new taskbuffer.Task({
+const task1 = new taskbuffer.Task({
   taskFunction: async () => {
     await smartdelay.delayFor(2000);
     task1Executed = true;
@@ -13,7 +13,7 @@ let task1 = new taskbuffer.Task({
 });
 
 let task2Executed = false;
-let task2 = new taskbuffer.Task({
+const task2 = new taskbuffer.Task({
   taskFunction: async () => {
     await smartdelay.delayFor(2000);
     task2Executed = true;
@@ -21,7 +21,7 @@ let task2 = new taskbuffer.Task({
 });
 
 let task3Executed = false;
-let task3 = new taskbuffer.Task({
+const task3 = new taskbuffer.Task({
   taskFunction: async () => {
     await smartdelay.delayFor(2000);
     task3Executed = true;
@@ -29,11 +29,11 @@ let task3 = new taskbuffer.Task({
 });
 
 tap.test('expect run tasks in sequence', async () => {
-  let testTaskchain = new taskbuffer.Taskchain({
+  const testTaskchain = new taskbuffer.Taskchain({
     name: 'Taskchain1',
     taskArray: [task1, task2, task3]
   });
-  let testPromise = testTaskchain.trigger();
+  const testPromise = testTaskchain.trigger();
   await smartdelay.delayFor(2100);
   // tslint:disable-next-line:no-unused-expression
   expect(task1Executed).to.be.true;
diff --git a/test/test.7.taskloop.ts b/test/test.7.taskloop.ts
new file mode 100644
index 0000000..5715636
--- /dev/null
+++ b/test/test.7.taskloop.ts
@@ -0,0 +1,40 @@
+import { tap, expect } from '@pushrocks/tapbundle';
+
+import * as taskbuffer from  '../ts';
+
+let preTask: taskbuffer.Task;
+let afterTask: taskbuffer.Task;
+
+let mainTask: taskbuffer.Task;
+
+tap.test('should create tasks', async () => {
+  preTask = new taskbuffer.Task({
+    name: 'myPreTask',
+    taskFunction: async () => {
+      console.log('pretask executed :)');
+    }
+  });
+  afterTask = new taskbuffer.Task({
+    name: 'myAfterTask',
+    taskFunction: async () => {
+      console.log('afterTask executed :)');
+    },
+    preTask,
+    afterTask
+  });
+
+  mainTask = new taskbuffer.Task({
+    name: 'mainTask',
+    taskFunction: async () => {
+      console.log('main task executed');
+    },
+    preTask,
+    afterTask
+  });
+});
+
+tap.test('should execute the mainTasj', async () => {
+  await mainTask.trigger();
+});
+
+tap.start();
\ No newline at end of file