refactor email_change_test to use css selector

test/acceptance/email_change_test.rb

@@ -24,8 +24,9 @@
 
       # Need to figure out the best way to do this, expects is swallowing up token generation...
       # refute u.perishable_token.nil?
-      assert_match "A link to confirm your updated email address has been sent to [email protected]", page.body
-
+      within 'div.flash' do
+        assert has_content? "A link to confirm your updated email address has been sent to [email protected]"
+      end
     end
 
   end
@@ -36,7 +37,10 @@
       token = u.create_token
       visit "/confirm_email/#{token}"
 
-      assert_match "Email successfully confirmed.", page.body
+      within 'div.flash' do
+        assert has_content? "Email successfully confirmed."
+      end
+
       assert_match "/", page.current_url
 
       u.reload
@@ -46,7 +50,10 @@
     it "rejects an invalid token" do
       visit "/confirm_email/abcd"
 
-      assert_match "Can't find User Account for this link.", page.body
+      within 'div.flash' do
+        assert has_content? "Can't find User Account for this link."
+      end
+
       assert_match "/", page.current_url
 
     end
@@ -61,7 +68,10 @@
 
       visit "/confirm_email/#{token}"
 
-      assert_match "Your link is no longer valid, please request a new one.", page.body
+      within 'div.flash' do
+        assert has_content? "Your link is no longer valid, please request a new one."
+      end
+
       assert_match "/", page.current_url
 
     end