Exception in iOS app entry point not shown in terminal

[miroslavaivanova]

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: 5.2.1
• iOS Runtime:5.2.0

Describe the bug
If you have exception in the app entry point and error is missing in terminal. You can see only splash screen on device.

To Reproduce

1. tns create app
2. remove tns-core-modules from app.js: const application = require("/application");
3. tns run ios
4. exception not shown in the terminal