Fixes welcome specs and adds a couple more tests

app/controllers/users/sessions_controller.rb

@@ -12,7 +12,7 @@ class Users::SessionsController < Devise::SessionsController
 
     def stored_path_allows_welcome_screen?
       stored_path = session[stored_location_key_for(resource)]
-      stored_path && stored_path[0..5] != "/email"
+      stored_path.nil? || stored_path[0..5] != "/email"
     end
 
 end

spec/features/welcome_spec.rb

@@ -10,6 +10,24 @@ feature "Welcome screen" do
     expect(current_path).to eq(welcome_path)
   end
 
+  scenario 'a regular user does not see it when coing to /email' do
+
+    plain, encrypted = Devise.token_generator.generate(User, :email_verification_token)
+
+    user = create(:user, email_verification_token: plain)
+
+    visit email_path(email_verification_token: encrypted)
+
+    fill_in 'user_email', with: user.email
+    fill_in 'user_password', with: user.password
+
+    click_button 'Log in'
+
+    expect(page).to have_content("You are now a verified user")
+
+    expect(current_path).to eq(account_path)
+  end
+
   scenario 'it is not shown more than once' do
     user = create(:user, sign_in_count: 2)
 
@@ -42,4 +60,12 @@ feature "Welcome screen" do
     expect(current_path).to eq(proposals_path)
   end
 
+  scenario 'is not shown to administrators' do
+    administrator = create(:administrator)
+
+    login_through_form_as(administrator.user)
+
+    expect(current_path).to eq(proposals_path)
+  end
+
 end