add test that currently fails, document this.

Author: mtullsen

intTests/test_saw_submodule_access1/test.sh

@@ -5,8 +5,10 @@ $SAW test_import_errors.saw
 
 $SAW test_import_D.saw
 
-# $SAW test_load_D.saw
-#   - This is a test that will fail till till code is fixed.
-#   - TODO: uncomment after fixing code.
+! $SAW test_load_D.saw
+
+  # finishing https://github.com/GaloisInc/saw-script/pull/2593
+  #  should allow test_load_D.saw to succeed. (as it should)
+  # TODO: remove the ! above when that PR is done.
 
 $SAW test_UseFunctors.saw