[test] Skip flaky tests

No-Try: true
Bug: v8:10942
Change-Id: I1c99c30ece27c67215629a0f5dbaa8d0aef9863a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2419014
Auto-Submit: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Maya Lekova <mslekova@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70020}

test/mjsunit/mjsunit.status

@@ -860,6 +860,13 @@
   'harmony/atomics-waitasync-worker-shutdown-before-wait-finished-no-timeout': [SKIP],
 }],  # 'isolates'
 
+##############################################################################
+['deopt_fuzzer or gc_fuzzer', {
+  # https://crbug.com/v8/10942
+  'ensure-growing-store-learns': [SKIP],
+  'random-bit-correlations': [SKIP],
+}],  # 'deopt_fuzzer or gc_fuzzer'
+
 ##############################################################################
 ['deopt_fuzzer', {