Replace EOL jasmine runner

all should run with "bundle exec rake jasmine:ci"

Rakefile

@@ -1,10 +1,18 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
-require "jasmine"
+require_relative "spec/site_helper"
 
 RSpec::Core::RakeTask.new(:spec)
 
-load "jasmine/tasks/jasmine.rake"
+namespace :jasmine do
+  desc "Run Jasmine tests in headless mode"
+  task 'ci' do
+    Helpers.rebuild_site!
+    if !system("npx jasmine-browser-runner runSpecs")
+      exit 1
+    end
+  end
+end
 
 desc "Lint Ruby and JavaScript"
 task :lint do