test: fix test-cluster-send-handle-large-payload
test-cluster-send-handle-large-payload is susceptible to failure if it
is competing for resources. Move to sequential
directory so it is not
competing with other tests.
Fixes: https://github.com/nodejs/node/issues/14844
Checklist
-
make -j4 test
(UNIX), orvcbuild test
(Windows) passes -
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