Remove integration tests for old emergency banner

Old emergency banner code is deprecated. Remove the tests

test/integration/notifications_test.rb

@@ -1,14 +1,6 @@
 require 'integration_test_helper'
 
 class NotificationsTest < ActionDispatch::IntegrationTest
-  setup do
-    @original_banner = Static.banner
-  end
-
-  teardown do
-    Static.banner = @original_banner
-  end
-
   context "emergency banner file" do
     should "have an emergency banner file" do
       assert File.exist? "#{Rails.root}/app/views/notifications/_emergency_banner.html.erb"
@@ -133,87 +125,4 @@ class NotificationsTest < ActionDispatch::IntegrationTest
       refute page.has_selector? ".global-bar-message"
     end
   end
-
-  context "banner files" do
-    should "have a green file" do
-      assert File.exist? "#{Rails.root}/app/views/notifications/banner_green.erb"
-    end
-
-    should "have a red file" do
-      assert File.exist? "#{Rails.root}/app/views/notifications/banner_red.erb"
-    end
-
-    should "have a black file" do
-      assert File.exist? "#{Rails.root}/app/views/notifications/banner_black.erb"
-    end
-  end
-
-  context "banner notifications" do
-    teardown do
-      clean_up_test_files
-    end
-
-    context "given view files are empty" do
-      setup do
-        create_test_file(filename: "banner_green.erb", content: '')
-        create_test_file(filename: "banner_red.erb", content: '')
-        create_test_file(filename: "banner_black.erb", content: '')
-
-        Static.banner = NotificationFileLookup.new(location_of_test_files).banner
-      end
-
-      should "not show a banner notification on the page" do
-        visit "/templates/wrapper.html.erb"
-        refute page.has_selector? "#banner-notification"
-      end
-    end
-
-    context "given view files are present for a green notification" do
-      setup do
-        create_test_file(filename: "banner_green.erb", content: '<p>Everything is fine</p>')
-        create_test_file(filename: "banner_red.erb", content: '')
-        create_test_file(filename: "banner_black.erb", content: '')
-
-        Static.banner = NotificationFileLookup.new(location_of_test_files).banner
-      end
-
-      should "show a banner notification on the page" do
-        visit "/templates/wrapper.html.erb"
-        assert page.has_selector? "#banner-notification.green"
-        assert_match '<p>Everything is fine</p>', page.body
-      end
-    end
-
-    context "given view files are present for a red notification" do
-      setup do
-        create_test_file(filename: "banner_green.erb", content: '')
-        create_test_file(filename: "banner_red.erb", content: '<p>Everything is not fine</p>')
-        create_test_file(filename: "banner_black.erb", content: '')
-
-        Static.banner = NotificationFileLookup.new(location_of_test_files).banner
-      end
-
-      should "show a banner notification on the page" do
-        visit "/templates/wrapper.html.erb"
-        assert page.has_selector? "#banner-notification.red"
-        assert_match '<p>Everything is not fine</p>', page.body
-      end
-    end
-
-    context "given view files are present for a black notification" do
-      setup do
-        create_test_file(filename: "banner_green.erb", content: '')
-        create_test_file(filename: "banner_red.erb", content: '')
-        create_test_file(filename: "banner_black.erb", content: '<p>RIP John Doe</p>')
-
-        Static.banner = NotificationFileLookup.new(location_of_test_files).banner
-      end
-
-      should "show a banner notification on the page" do
-        visit "/templates/wrapper.html.erb"
-        assert page.has_selector? "#banner-notification.black"
-        assert_match '<p>RIP John Doe</p>', page.body
-      end
-    end
-  end
 end