remove duplicate code from atom request specs

spec/requests/atom/dashboard_spec.rb

@@ -1,27 +1,21 @@
 require 'spec_helper'
 
-describe "User Dashboard" do
-  before { login_as :user }
-
+describe "Dashboard Feed" do
   describe "GET /" do
-    before do
-      @project = Factory :project, owner: @user
-      @project.add_access(@user, :read)
-      visit dashboard_path
+    let!(:user) { Factory :user }
+
+    context "projects atom feed via private token" do
+      it "should render projects atom feed" do
+        visit dashboard_path(:atom, private_token: user.private_token)
+        page.body.should have_selector("feed title")
+      end
     end
 
-    it "should render projects atom feed via private token" do
-      logout
-
-      visit dashboard_path(:atom, private_token: @user.private_token)
-      page.body.should have_selector("feed title")
-    end
-
-    it "should not render projects page via private token" do
-      logout
-
-      visit dashboard_path(private_token: @user.private_token)
-      current_path.should == new_user_session_path
+    context "projects page via private token" do
+      it "should redirect to login page" do
+        visit dashboard_path(private_token: user.private_token)
+        current_path.should == new_user_session_path
+      end
     end
   end
 end