Twister: Sample tests executed on device in Twister platform is getting skipped

[Kumar1]

When we try to run sample tests on device in Twister on Ubuntu OS tests are getting skipped. Attached the screenshot on this. 

Board: Nordic bl653_dvk

[ephimee]

I have the same issue with the nrf52840 DK.

The image does not look blurred to me.

How can you troubleshoot why it was skipped?