tests/test-check-jshint.t

test-removeemptydirs: adjust to Windows behavior for the `histedit` case

Windows stay in the "same" directory and the warning message is not applicable.

This make `tests/test-removeemptydirs.t` pass on Windows.

Differential Revision: https://phab.mercurial-scm.org/D11055

#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