add test for forced cbd with no other changes
add test for forced cbd with no other changes

If a resource is forced CreateBeforeDestroy from a dependent resource,
and that dependent has no changes, the plan is changed from
CreateThenDelete to DeleteThenCreate causing an apply error.

apparentlymart/terraform,rnaveiras/terraform,rnaveiras/terraform,apparentlymart/terraform,hashicorp/terraform,rnaveiras/terraform,tommynsong/terraform,pdecat/terraform,ewbankkit/terraform,ewbankkit/terraform,pdecat/terraform,tommynsong/terraform,tommynsong/terraform,apparentlymart/terraform,pdecat/terraform,hashicorp/terraform,apparentlymart/terraform,ewbankkit/terraform,apparentlymart/terraform,hashicorp/terraform,pdecat/terraform,ewbankkit/terraform