[Coverity CID :186849] Parse warnings in /tests/kernel/mem_protect/mem_protect/src/mem_domain.c

[mandarcthorat1]

Static code scan issues seen in File: /tests/kernel/mem_protect/mem_protect/src/mem_domain.c
Category: Parse warnings
Function:
Component: Tests
CID: 186849
Please fix or provide comments to square it off in coverity in the link: https://scan9.coverity.com/reports.htm#v32951/p12996

[AdithyaBaglody]

False positive, Hence closing it here and making it false positive in coverty.