Add tests for \r removal

test/test_cursor_warnings.vader

@@ -30,7 +30,7 @@ Before:
   \       'nr': -1,
   \       'type': 'E',
   \       'code': 'semi',
-  \       'text': 'Missing semicolon.',
+  \       'text': "Missing semicolon.\r",
   \       'detail': "Every statement should end with a semicolon\nsecond line",
   \     },
   \     {

test/test_list_formatting.vader

@@ -36,7 +36,7 @@ After:
   call setqflist([])
 
 Execute(Formatting with codes should work for the loclist):
-  call AddItem({'text': 'nocode'})
+  call AddItem({'text': "nocode\r"})
   call ale#list#SetLists(bufnr(''), g:loclist)
 
   AssertEqual
@@ -79,7 +79,7 @@ Execute(Formatting with codes should work for the quickfix list):
   let g:ale_set_loclist = 0
   let g:ale_set_quickfix = 1
 
-  call AddItem({'text': 'nocode'})
+  call AddItem({'text': "nocode\r"})
   call ale#list#SetLists(bufnr(''), g:loclist)
 
   AssertEqual