[test] Skip flaking test

Bug: v8:12697
Change-Id: I124f2f0fd3c98d6a5233a0e2a8236a2b15d791fd
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3532261
Auto-Submit: Manos Koukoutos <manoskouk@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#79518}

test/mjsunit/mjsunit.status

@@ -143,10 +143,13 @@
   # https://crbug.com/v8/10948
   'wasm/atomics': [PASS, ['arch == arm and not simulator_run', SKIP]],
 
-  # crbug.com/v8/12472 Stack overflow during regexp node generation.
+  # https://crbug.com/v8/12472 Stack overflow during regexp node generation.
   'regress/regress-crbug-595657': [SKIP],
   'regress/regress-475705': [SKIP],
 
+  # https://crbug.com/v8/12697
+  'math-abs': [SKIP],
+
   ##############################################################################
   # Tests where variants make no sense.
   'd8/enable-tracing': [PASS, NO_VARIANTS],