         for char, replacement of char_map
             expected = "foo-#{replacement}-bar-baz"
             expected = "foo-bar-baz" if not replacement
-            slug("foo #{char} bar baz").should.eql expected
+            [slug "foo #{char} bar baz"].should.eql [expected]
 
     it 'should replace czech chars', ->
         char_map = {

            'Ϋ':'Y'
        }
        for char, replacement of char_map
            slug("foo #{char} bar baz").should.eql "foo-#{replacement}-bar-baz"

    it 'should replace turkish chars', ->
        char_map = {

            'ý': 'y', 'þ': 'th', 'ÿ': 'y', 'ẞ': 'SS'
        }
        for char, replacement of char_map
            [slug "foo #{char} bar baz"].should.eql ["foo-#{replacement}-bar-baz"]

    it 'should replace greek chars', ->
        char_map = {
