Set better highlights for write-good

test/handler/test_write_good_handler.vader

@@ -4,9 +4,24 @@ Execute(The write-good handler should handle the example from the write-good REA
   \   {
   \     'lnum': 1,
   \     'col': 1,
+  \     'end_col': 2,
   \     'type': 'W',
   \     'text': '"So" adds no meaning',
-  \   }
+  \   },
+  \   {
+  \     'lnum': 1,
+  \     'col': 12,
+  \     'end_col': 21,
+  \     'type': 'W',
+  \     'text': '"was stolen" may be passive voice',
+  \   },
+  \   {
+  \     'lnum': 6,
+  \     'col': 2,
+  \     'end_col': 2,
+  \     'type': 'W',
+  \     'text': '"foo bar" bla',
+  \   },
   \ ],
   \ ale#handlers#writegood#Handle(bufnr(''), [
   \ 'In /tmp/vBYivbZ/6/test.md',
@@ -17,5 +32,6 @@ Execute(The write-good handler should handle the example from the write-good REA
   \ '-------------',
   \ 'So the cat was stolen.',
   \ '           ^^^^^^^^^^',
-  \ '"was stolen" may be passive voice on line 1 at column 11 ',
+  \ '"was stolen" may be passive voice on line 1 at column 11',
+  \ '"foo bar" bla on line 6 at column 1',
   \ ])