Fixed the issue related to Cucumber Test Suite in browser.end

[shivansh-bhatnagar18]

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  Fixes Issue Number Using browser.end with cucumber results into Error #3332

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[garg3133]

@shivansh-bhatnagar18 What are you trying to achieve here?

[shivansh-bhatnagar18]

@garg3133 The Issue was related to the code snippet ending the test suite before while the Nightwatch still tries to close the session which results in an error. One possible solution was mentioned in the issue #3332, So I implemented that.