Add test that listed functions are the same as actually defined

meta-tests.txt

@@ -3,3 +3,4 @@ subshell-simple
 subshell-undeclared
 subshell-source
 subshell-export
+function-list

meta-tests/function-list.sh

@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+
+list_function_names() {
+    declare -F | while read l; do echo ${l/#* /}; done | sort
+}
+
+f_orig=$(list_function_names)
+
+source ./mo
+
+f=$(list_function_names)
+
+f_new=$(comm -13 <(echo $f_orig | tr ' ' '\n') <(echo $f | tr ' ' '\n'))
+
+diff <(echo $f_new | tr ' ' '\n') <(moListFuncs | sort)