[V8] Skip tests on gc fuzzer

This skips more tests sensitive to optimization state on gc fuzzer.
Failure links:
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20NumFuzz%20-%20debug/3620
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20NumFuzz%20-%20TSAN/3584
https://ci.chromium.org/p/v8/builders/luci.v8.ci/V8%20NumFuzz%20-%20TSAN/3564

NOTRY=true
TBR=sigurds@chromium.org

Change-Id: Iba8f475178b87a10b7cf793c65b16132ed2f1a1b
Reviewed-on: https://chromium-review.googlesource.com/c/1332294Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57455}

test/mjsunit/mjsunit.status

@@ -717,10 +717,14 @@
   'compiler/native-context-specialization-hole-check': [PASS, FAIL],
   'elements-transition-hoisting': [PASS, FAIL],
   'es6/collections-constructor-custom-iterator': [PASS, FAIL],
+  'harmony/weakrefs/clear-clears-factory-pointer': [PASS, FAIL],
   'keyed-load-with-symbol-key': [PASS, FAIL],
   'object-seal': [PASS, FAIL],
   'regress/regress-3709': [PASS, FAIL],
+  'regress/regress-385565': [PASS, FAIL],
   'regress/regress-6948': [PASS, FAIL],
+  'regress/regress-7014-1': [PASS, FAIL],
+  'regress/regress-7014-2': [PASS, FAIL],
   'regress/regress-7510': [PASS, FAIL],
   'regress/regress-crbug-882233-2': [PASS, FAIL],
   'regress/regress-trap-allocation-memento': [PASS, FAIL],