XCTest UI testing with Realm

I'm developing my UI test with Swift 3.0 using Realm 2.4.2.

UI test target

• create realm object Cat with pk "cat_01"
• check if exists a Cat object with pk "cat_01" -> success
• open view controller that contains a list of cats fetched from realm -> empty list

Application

• CatsListViewController: a table view with cats (no Cat object are found)

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How can I "see" both on test target and application same realm objects?

What I do not want to do is using the launchArguments workaround delegating app to create objects.