rename MC test dir

diff --git a/t/96multi_create/cd_single.t b/t/multi_create/cd_single.t
similarity index 100%
rename from t/96multi_create/cd_single.t
rename to t/multi_create/cd_single.t

diff --git a/t/96multi_create/multilev_might_have_PKeqFK.t b/t/multi_create/multilev_might_have_PKeqFK.t
similarity index 100%
rename from t/96multi_create/multilev_might_have_PKeqFK.t
rename to t/multi_create/multilev_might_have_PKeqFK.t