add signature legal text field

spec/features/user_managing_appearance_releases_spec.rb

@@ -137,6 +137,13 @@ feature 'User managing appearance releases' do
       expect(page).to have_content(successful_submission_message)
       expect(AppearanceRelease.last.guardian_2_first_name).to eq 'Second'
     end
+
+    scenario "creating a release, if contract template contains signature legal language, it is shown" do
+      contract_template = create(:contract_template, project: project, signature_legal_text: dummy_signature_legal_text)
+      visit new_account_project_contract_template_appearance_release_path(project.account, project, contract_template)
+
+      expect(page).to have_content dummy_signature_legal_text
+    end
   end
 
   context 'when signed in' do
@@ -706,4 +713,8 @@ feature 'User managing appearance releases' do
   def guardian_2_photo_heading
     t 'appearance_releases.form.photos.guardian_2_photo.heading'
   end
+
+  def dummy_signature_legal_text
+    'Some signature legal language'
+  end
 end