[fix] Added test for Amazon headers
[fix] Added test for Amazon headers

Phanatic/pkgcloud,mdsummers/pkgcloud,Phanatic/pkgcloud,mcanthony/pkgcloud,temka1234/pkgcloud,Hopebaytech/pkgcloud,songanbui/pkgcloud,hacor/pkgcloud,pkgcloud/pkgcloud,apla/pkgcloud,DonSchenck/pkgcloud,bunglestink/pkgcloud,andrewsomething/pkgcloud,dionjwa/pkgcloud