Fix readme

Author: agarneha1331

README.md

@@ -10,8 +10,8 @@
 * Update `.env` file with your [BrowserStack Username and Access Key](https://www.browserstack.com/accounts/settings). 
 
 ## Running your tests
-* To run tests, run `npm run parallel`
-* To run local tests, run `npm run local`
+* To run tests, run `npm run sample-test`
+* To run local tests, run `npm run sample-local-test`
 
  Understand how many parallel sessions you need by using our [Parallel Test Calculator](https://www.browserstack.com/automate/parallel-calculator?ref=github)