[test] Skip flaky test.

NOTRY=true
TBR=mstarzinger@chromium.org,bmeurer@chromium.org
BUG=v8:5276

Review-Url: https://codereview.chromium.org/2221313002
Cr-Commit-Position: refs/heads/master@{#38470}

test/webkit/webkit.status

@@ -111,6 +111,12 @@
   'dfg-int-overflow-in-loop': [PASS, NO_IGNITION],
 }],  # msan
 
+##############################################################################
+['variant == turbofan', {
+  # BUG(v8:5276): Flaky with turbofan.
+  'fast/js/array-bad-time': [SKIP],
+}],  # variant == turbofan
+
 ##############################################################################
 ['variant == ignition_turbofan and msan', {
   # TODO(mythria,4680): Too slow and timeout on ignition.