When you create and run test on your local PC environment, you need to do the following setup on a Mac machine. (For iOS, you can create and run test more easily by using cloud environment)
Magic Pod Desktop
Download MagicPodDesktop, unzip the downloaded zip file by double click, and place MagicPodDesktop to under the Application folder. (If you try to open MagicPodDesktop under other directory, you may encounter an error such as "%@ is not found" "cannot open the application Magic Pod Desktop".)
Set up iOS/Android environment
Then you need to prepare the environment to use MagicPodDesktop. Do the following setup according to the platform you want to test.
Once you finish the setup, create your test according to here.