test: fix the HTTPS over proxy test

The test was failing when libwww-perl really support HTTPS over
proxy.
See: https://github.com/libwww-perl/libwww-perl/pull/52
Virtuozzo: rename $uuid → $ctid

ctid is for “container id”. This is the word that is used in OpenVZ
documentation.
test: don't use FusionInventory::Test::Hardware

The lib has been removed in commit:7b919df87534e1639efeb26672c887c7c0fd8c0f
typo: fix the %params key name