Remove the unzip spec completely.

spec/modules-spec.coffee

@@ -5,14 +5,6 @@ path   = require 'path'
 describe 'third-party module', ->
   fixtures = path.join __dirname, 'fixtures'
 
-  xdescribe 'unzip', ->
-    unzip = require 'unzip'
-
-    it 'fires close event', (done) ->
-      fs.createReadStream(path.join(fixtures, 'zip', 'a.zip'))
-        .pipe(unzip.Parse())
-        .on('close', done)
-
   describe 'runas', ->
     it 'can be required in renderer', ->
       require 'runas'