Implemented Rspec let function

spec/requests/static_pages_spec.rb

@@ -1,6 +1,7 @@
 require 'spec_helper'
 
 describe "StaticPages" do
+  let(:base_title) {"Ruby on Rails Tutorial Sample App"}
 
   describe "Home page" do
     it "should have the h1 'Sample App'" do
@@ -13,7 +14,7 @@
     it "should have title page 'Home'" do
       visit '/static_pages/home'
       page.should have_selector('title',
-                        :text => 'Ruby on Rails Tutorial Sample App | Home')
+                        :text => "#{base_title} | Home")
     end
   end
 
@@ -27,7 +28,7 @@
     it "should have title 'Help'" do
      visit '/static_pages/help'
      page.should have_selector('title',
-                          :text => 'Ruby on Rails Tutorial Sample App | Help')
+                          :text => "#{base_title} | Help")
     end
   end
 
@@ -40,7 +41,7 @@
     it "should have title 'About Us'" do
       visit "/static_pages/about"
       page.should have_selector('title',
-                      :text =>'Ruby on Rails Tutorial Sample App | About')
+                      :text =>"#{base_title} | About")
     end
   end	
 end