[test] Skip test on deopt fuzzer

NOTRY=true
TBR=petermarshall@chromium.org

Bug: v8:7466
Change-Id: I1ac9735ee130c43cebf56f8b69528429c47a42f6
Reviewed-on: https://chromium-review.googlesource.com/929586Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51448}

test/mjsunit/mjsunit.status

@@ -635,7 +635,10 @@
   'shared-function-tier-up-turbo': [SKIP],
 
   # Fails deopt_fuzzer due to --deopt_every_n_times
-  'es6/array-iterator-turbo': [SKIP]
+  'es6/array-iterator-turbo': [SKIP],
+
+  # BUG(v8:7466).
+  'compiler/promise-constructor': [SKIP],
 }],  # 'deopt_fuzzer == True'
 
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