patch 9.0.0162: text property "below" gets indent if 'breakindent' is set

Problem:    Text property "below" gets indent if 'breakindent' is set. (Tim
            Pope)
Solution:   Do not put indent before text property. (closes #10859)
diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index 8f3a304..653db44 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -2312,7 +2312,8 @@
 
   let lines =<< trim END
       set showbreak=+++
-      call setline(1, 'some text here and other text there')
+      set breakindent
+      call setline(1, '   some text here and other text there')
       call prop_type_add('rightprop', #{highlight: 'ErrorMsg'})
       call prop_type_add('afterprop', #{highlight: 'Search'})
       call prop_type_add('belowprop', #{highlight: 'DiffAdd'})