Lua test: check return value of database open (demonstration for #601)
Lua test: check return value of database open (demonstration for #601)

GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver,GerHobbelt/civet-webserver