tests/test-check-jshint.t

match: resolve filesets against the passed `cwd`, not the current one

This allows filesets to be resolved relative to `repo.root`, the same as other
patterns are since f02d3c0eed18.  The current example in contrib/ wasn't working
from the tests directory because of this.

Differential Revision: https://phab.mercurial-scm.org/D7570

#require test-repo jshint hg10

  $ . "$TESTDIR/helpers-testrepo.sh"

run jshint on all tracked files ending in .js except vendored dependencies

  $ cd "`dirname "$TESTDIR"`"

  $ testrepohg locate 'set:**.js' \
  > 2>/dev/null \
  > | xargs jshint