[test] Skip incompatible test on stress_snapshot

Bug: chromium:1052746
Change-Id: Ibd93c5651384e489d3c41800dfc3b1bdd397c637
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3048182
Auto-Submit: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75882}

test/mjsunit/mjsunit.status

@@ -1302,6 +1302,13 @@
   'compiler/number-toboolean': [SKIP],
 }],  # variant == assert_types
 
+##############################################################################
+['variant == stress_snapshot', {
+  # Not an actual test, only helpers, but the flag --turbo-fast-api-calls is
+  # declared as incompatible with stress_snapshot.
+  'compiler/fast-api-helpers': [SKIP],
+}],  # variant == stress_snapshot
+
 ##############################################################################
 ['variant == stress_snapshot and arch != x64', {
   # Deserialization fails due to read-only snapshot checksum verification.