Use jasmine-gem for jasmine-core tests

spec/jasmine_self_test_spec.rb

@@ -0,0 +1,23 @@
+require 'jasmine'
+
+Jasmine.load_configuration_from_yaml(File.join(Dir.pwd, 'spec', 'jasmine.yml'))
+config = Jasmine.config
+server = Jasmine::Server.new(config.port, Jasmine::Application.app(config))
+driver = Jasmine::SeleniumDriver.new(config.browser, "#{config.host}:#{config.port}/")
+
+t = Thread.new do
+  begin
+    server.start
+  rescue ChildProcess::TimeoutError
+  end
+  # # ignore bad exits
+end
+t.abort_on_exception = true
+Jasmine::wait_for_listener(config.port, "jasmine server")
+puts "jasmine server started."
+
+results_processor = Jasmine::ResultsProcessor.new(config)
+results = Jasmine::Runners::HTTP.new(driver, results_processor, config.result_batch_size).run
+formatter = Jasmine::RspecFormatter.new
+formatter.format_results(results)
+