profile tests patch

[François Dumont]

Hi

     This a patch to fix tests when run in debug mode. I use the same 
approach as for the other modes, a dg-require-profile-mode so that the 
tests are only run when using check-profile but not when using 
check-debug. I also replace the recently introduce 'file delete' call by 
a 'remote_file build delete' call.

Regards
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