[Ignition] Skip tests.

BUG=v8:4280
LOG=n
TBR=rmcilroy@chromium.org, mstarzinger@chromium.org
NOTRY=true
NOPRESUBMIT=true

Review URL: https://codereview.chromium.org/1797203002

Cr-Commit-Position: refs/heads/master@{#34773}

test/mjsunit/mjsunit.status

@@ -817,7 +817,7 @@
   'regress/regress-crbug-352058': [PASS, ['no_snap == True', SKIP]],
 
   # TODO(rmcilroy,4680): Fails on win32 debug.
-  'div-mod': [PASS, ['arch == ia32 and mode == debug', FAIL]],
+  'div-mod': [PASS, ['arch == ia32', SKIP]],
 }],  # ignition == True and system == windows
 
 ['ignition == True and arch == arm64', {