add specs to check if United States is default selected country on public signing form

spec/features/user_managing_acquired_media_releases_spec.rb

@@ -5,6 +5,13 @@ feature "User managing acquired_media releases" do
   let(:project) { create(:project, members: current_user, account: current_user.primary_account) }
 
   context "when signed out" do
+    scenario "United States is default country" do
+      contract_template = create(:contract_template, project: project)
+
+      visit new_account_project_contract_template_acquired_media_release_path(project.account, project, contract_template)
+      expect(country_field_value).to eq "US"
+    end
+
     scenario "creating a release", js: true do
       contract_template = create(:contract_template, project: project)
 
@@ -205,6 +212,10 @@ feature "User managing acquired_media releases" do
 
   private
 
+  def country_field_value
+    find_field("acquired_media_release[person_address_country]").value
+  end
+
   def acquired_media_name_field
     "acquired_media_release[name]"
   end