Use activerecord translations on admin legislation processes

spec/models/legislation/process_spec.rb

@@ -82,7 +82,7 @@ describe Legislation::Process do
                                             allegations_end_date: Date.current - 1.day)
       expect(process).to be_invalid
       expect(process.errors.messages[:allegations_end_date])
-      .to include("must be on or after the allegations start date")
+      .to include("must be on or after the comments start date")
     end
 
     it "is valid if allegations_end_date is the same as allegations_start_date" do