Sandbox profiles are a safe environment to test applications, as these tests will not impact other applications.

To create a sandbox profile, let’s follow the steps below:

• Click on your picture;
• Select Profiles;

• Click on + Add new Profile;

• Inform the profile name;
• Click at Create my Profile;

Now your sandbox profile is already available to be used.

Tip: you can set up the usage of this new profile, just follow this post: How to track my account usage?

After you set that up, go to the home page and click on your profile to switch between your sandbox profile and your original profile.

After those steps, you are good to go! make all the application tests that you need.

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Cheers!