for <https github com pantsbuild pants issues 4401> per test Pants #development

for <https://github.com/pantsbuild/pants/issues/44...

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witty-crayon-22786

09/14/2017, 11:10 PM

for https://github.com/pantsbuild/pants/issues/4401 per test, we create one Scheduler/BuildGraph (lazily if requested)