Environment
Provide version numbers for the following components (information can be retrieved by running tns info in your project folder or by inspecting the package.json of the project):

• CLI: 6.1.1
• Cross-platform modules: 6.1.1
• iOS Runtime: 6.1.0

Describe the bug
No view controller managing visible view error upon changing selected index in Tabs component.

To Reproduce
Run unit tests app. App crashes with the exception above. Reproducible only on iOS9.

Expected behavior
Unit tests app should not crash.