Skip test for T15897

The test for #15897 times out which causes spurious CI failures
from time to time.

Tracked by #16227

testsuite/tests/profiling/should_run/all.T

@@ -147,6 +147,8 @@ test('T12962', [], compile_and_run, [''])
 test('T14257', [], run_command, ['$MAKE -s --no-print-directory T14257'])
 
 test('T15897',
-     [extra_ways(['profasm']), only_ways(['profasm']), run_timeout_multiplier(2)],
+     # Test is timing out non-deterministically; see #16227
+     #[extra_ways(['profasm']), only_ways(['profasm']), run_timeout_multiplier(2)],
+     [skip],
      run_command,
      ['$MAKE -s --no-print-directory T15897'])