Added session level spec for celerity driver

spec/session/celerity_session_spec.rb

@@ -0,0 +1,27 @@
+require File.expand_path('../spec_helper', File.dirname(__FILE__))
+
+if RUBY_PLATFORM =~ /java/
+  describe Capybara::Driver::Celerity do
+    before do
+      @session = Capybara::Session.new(:celerity, TestApp)
+    end
+
+    describe '#driver' do
+      it "should be a rack test driver" do
+        @session.driver.should be_an_instance_of(Capybara::Driver::Celerity)
+      end
+    end
+
+    describe '#mode' do
+      it "should remember the mode" do
+        @session.mode.should == :celerity
+      end
+    end
+
+    it_should_behave_like "session"
+    it_should_behave_like "session with javascript support"
+    it_should_behave_like "session with headers support"
+  end
+else
+  puts "#{File.basename(__FILE__)} requires JRuby; skipping.."
+end