(cherry picked from commit 481d813539762af6670b2cb4d3e893ab27dfe544)
address oliverpool comments
(cherry picked from commit d8f313f9e21ceea7b113fc04938fa4ffea577d9e)
s/Printf/Print/
(cherry picked from commit 6621b04458b9fbaf8b6664efd86886b2ebbec01d)
do not run initDB within integration tests
(cherry picked from commit 5a0428ede3e8f242860d121ab3ee8712a1fe2f14)
(cherry picked from commit e8287b753d70d51e9bec23e732d797fe900a4911)