Simplify some DeclarationOrder specs
Simplify some DeclarationOrder specs

These specs seemed more complicated than necessary given what they were
testing. Simplify them.

Change-Id: Iaa05ba339be9ee508bf0d39f121d75a77c017f9a
Reviewed-on: http://gerrit.causes.com/43811
Tested-by: jenkins <d95b56ce41a2e1ac4cecdd398defd7414407cc08@causes.com>
Reviewed-by: Shane da Silva <67fb7bfe39f841b16a1f86d3928acc568d12c716@brigade.com>

philipgiuliani/scss-lint,baileyparker/scss-lint,davecarter/scss-lint,dwayhs/scss-lint,bkeepers/scss-lint,gatero/scss-lint,chatzipan/scss-lint,ivantsepp/scss-lint,leseulsteve/scss-lint,cih/scss-lint,ingdir/scss-lint,gajus/scss-lint,teoljungberg/scss-lint