justfile: use numParallelJobs in test flag #2762
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The numParallelJobs option on the
justfileis used to control the total amount of concurrency when running build commands. This PR adds this number to the test runner command:+RTS -N$numParallelJobs -RTS. This means that$numParallelJobsthreads will be used by the test runner.NB: ``+RTS -N -RTS` means that tests will use the number of threads equal to the number of CPUs on the machine.