[wasm] Temporary disable one shared-engine test case.

R=titzer@chromium.org
TEST=cctest/test-wasm-shared-engine/SharedEngineRunThreadedExecution

Change-Id: I01fbb13408020145c9d6bd6bbb66ca5136922bd2
Reviewed-on: https://chromium-review.googlesource.com/1151629Reviewed-by: Ben Titzer <titzer@chromium.org>
Commit-Queue: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54733}

test/cctest/wasm/test-wasm-shared-engine.cc

@@ -232,6 +232,8 @@ TEST(SharedEngineRunThreadedBuilding) {
   thread2.Join();
 }
 
+// TODO(v8:7424): Re-enable this test once race in modification scope is fixed.
+#if 0
 TEST(SharedEngineRunThreadedExecution) {
   SharedEngine engine;
   SharedModule module;
@@ -257,6 +259,7 @@ TEST(SharedEngineRunThreadedExecution) {
   thread1.Join();
   thread2.Join();
 }
+#endif
 
 }  // namespace test_wasm_shared_engine
 }  // namespace wasm