[test] Skip flaky tests with turbofan

test/cctest/cctest.status

Index: test/cctest/cctest.status
diff --git a/test/cctest/cctest.status b/test/cctest/cctest.status
index a73271eadff51f5a50e7427d2b279ed8517a528e..5c360b665fa6bcd99d11dd73285610c9080e5faa 100644
--- a/test/cctest/cctest.status
+++ b/test/cctest/cctest.status
@@ -123,6 +123,9 @@
   'test-cpu-profiler/DeoptAtSecondLevelInlinedSource': [PASS, NO_VARIANTS],
   'test-cpu-profiler/DeoptUntrackedFunction': [PASS, NO_VARIANTS],
 
+  # BUG(v8:5161): Flaky with turbofan.
+  'test-thread-termination/TerminateAndReenterFromThreadItself': [PASS, ['system == mac', NO_VARIANTS]],
+
   ############################################################################
   # Slow tests.
   'test-api/Threading1': [PASS, ['mode == debug', SLOW]],