Only disable `-Wsign-compare` for tests that do not compile cleanly
with this warning enabled. Re-enable the warning for the other tests,
so that it can catch any new occurrences.
Signed-off-by: Sven van Haastregt <sven.vanhaastregt@arm.com>
The test checks profiling value CL_PROFILING_COMMAND_COMPLETE
compared to CL_PROFILING_COMMAND_END for two cases:
1) kernel with children with different levels of nesting
2) kernel without children
