databases 1 and 2:
localshadow1.package.conf
    (shadow-1)
    (shadowdep-1)

localshadow2.package.conf
    (shadow-1)

databases 1 and 3:
localshadow1.package.conf
    (shadow-1)
    (shadowdep-1)

localshadow3.package.conf
    (shadow-1)

should FAIL:
should SUCCEED:
should SUCCEED: