Update README.md

Pankaj Kumar · web-flow · commit d5959868ba4d · 2018-07-04T12:18:27.000+05:30
diff --git a/TestNG-Examples/README.md b/TestNG-Examples/README.md
@@ -20,3 +20,5 @@
 * [TestNG Timeout](https://www.journaldev.com/21345/testng-timeout-example)
 
 ### [TestNG vs JUnit](https://www.journaldev.com/21768/junit-vs-testng)
+
+### [TestNG Mockito Example](https://www.journaldev.com/21822/testng-mockito-example)
