adds a helper for avatars in specs

spec/features/account_spec.rb

@@ -16,7 +16,7 @@ feature 'Account' do
 
     expect(page).to have_selector("input[value='Manuela']")
     expect(page).to have_selector("input[value='Colau']")
-    expect(page).to have_selector("img.initialjs-avatar[data-name='Manuela Colau'][data-height='100']", count: 1)
+    expect(page).to have_selector(avatar('Manuela Colau'), count: 1)
   end
 
   scenario "Failed Edit" do

spec/features/comments_spec.rb

@@ -17,7 +17,7 @@ feature 'Comments' do
       expect(page).to have_content comment.user.name
       expect(page).to have_content time_ago_in_words(comment.created_at)
       expect(page).to have_content comment.body
-      expect(page).to have_selector("img.initialjs-avatar[data-name='#{comment.user.name}'][data-height='32']", count: 1)
+      expect(page).to have_selector(avatar(comment.user.name), count: 1)
     end
   end
 

spec/features/debates_spec.rb

@@ -25,7 +25,7 @@ feature 'Debates' do
     expect(page).to have_content "Debate description"
     expect(page).to have_content debate.author.name
     expect(page).to have_content I18n.l(Date.today)
-    expect(page).to have_selector("img.initialjs-avatar[data-name='#{debate.author.name}'][data-height='32']", count: 1)
+    expect(page).to have_selector(avatar(debate.author.name), count: 1)
 
     within('.social-share-button') do
       expect(page.all('a').count).to be(3) # Twitter, Facebook, Google+

spec/support/common_actions.rb

@@ -56,4 +56,8 @@ module CommonActions
     SimpleCaptcha::SimpleCaptchaData.first.value
   end
 
+  def avatar(name)
+    "img.initialjs-avatar[data-name='#{name}']"
+  end
+
 end