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Login as Test Manager/Test Engineer.
Navigate to Test Plan.
Click Add Test Plan button.
Enter Test plan Name and Description.
Click Add Test.
Drag the test case to the right handside and click Save.
Click on Add Environment.
Check all the Project configuration, click on Add New Environment button.
Select OS, Resolution, Browser Name, Browser Version for Both Desktop and Mobile devices.
Click on Save Environment.
To save Environments click Submit button.
Watch this video on how to create a test plan:
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