glib 2.46 complains if this isn't the case: (test-mu-str:28790): GLib-ERROR **: duplicate test case path: /mu-str/mu-str-esc-to-list
glib 2.46 complains if this isn't the case: (test-mu-str:28790): GLib-ERROR **: duplicate test case path: /mu-str/mu-str-esc-to-list