Failing test for #189

[piranna]

This test show the problem identified on issue #189:

  1) patch/apply #applyPatch should create a file:

      AssertionError: expected 'line2\nline3\nline4\nline1\n' to equal 'line1\nline2\nline3\nline4\n'
      + expected - actual

      +line1
       line2
       line3
       line4
      -line1
      
      at Context.<anonymous> (test/patch/apply.js:474:13)

[kpdecker]

Merged via #192