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Inside the web designer the process keeps its original name with Test although the name in the imported file is different (same for Asset in the defaultPackage tree browser on the left)
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The name of your process asset and the actual process name and id attributes are not related. You can name your process asset "MyProcess" but set the name and id attributes inside it to something completely different if you so wish..that is up to you and not Designer :) Designer however when you create a new process auto-fills the name of your process and the id using the package name and the asset name for you for convenience..this is for new processes only.