todolist-fe test instructions say to create a new branch

[monodot]

Instructions for Exercise 3: Revenge of the Automated Testing say to create a new branch:

Let's implement our feature by first creating a branch

and

git checkout -b feature/important-flag

But this branch already exists - it is created by the developer when they create the API tests.

[monodot]

https://github.com/rht-labs/enablement-docs/blob/master/exercises/3-revenge-of-the-automated-testing/README.md