Try to fix Windows tests again

test/fix/test_ale_fix.vader

@@ -230,6 +230,11 @@ Execute(Should apply filename mpapings):
   ALEFix
   call ale#test#FlushJobs()
 
+  if has('win32')
+    " We have to correct the output on Windows.
+    call setline(1, substitute(getline(1), '\r', '', ''))
+  endif
+
 Expect(The mapped filename should be printed):
   /some/fake/path/test.txt