Use system specs instead of feature specs

We get rid of database cleaner, and JavaScript tests are faster because
between tests we now rollback transactions instead of truncating the
database.

spec/system/verification/level_three_verification_spec.rb

@@ -0,0 +1,93 @@
+require "rails_helper"
+
+describe "Level three verification" do
+  scenario "Verification with residency and verified sms" do
+    create(:geozone)
+    user = create(:user)
+
+    verified_user = create(:verified_user,
+                           document_number: "12345678Z",
+                           document_type:   "1",
+                           phone:           "611111111")
+
+    login_as(user)
+
+    visit account_path
+    click_link "Verify my account"
+
+    verify_residence
+
+    within("#verified_user_#{verified_user.id}_phone") do
+      click_button "Send code"
+    end
+
+    expect(page).to have_content "Security code confirmation"
+
+    user = user.reload
+    fill_in "sms_confirmation_code", with: user.sms_confirmation_code
+    click_button "Send"
+
+    expect(page).to have_content "Code correct. Your account is now verified"
+
+    expect(page).not_to have_link "Verify my account"
+    expect(page).to have_content "Account verified"
+  end
+
+  scenario "Verification with residency and verified email" do
+    create(:geozone)
+    user = create(:user)
+
+    verified_user = create(:verified_user,
+                           document_number: "12345678Z",
+                           document_type:   "1",
+                           email:           "rock@example.com")
+
+    login_as(user)
+
+    visit account_path
+    click_link "Verify my account"
+
+    verify_residence
+
+    within("#verified_user_#{verified_user.id}_email") do
+      click_button "Send code"
+    end
+
+    expect(page).to have_content "We have sent a confirmation email to your account: rock@example.com"
+
+    sent_token = /.*email_verification_token=(.*)".*/.match(ActionMailer::Base.deliveries.last.body.to_s)[1]
+    visit email_path(email_verification_token: sent_token)
+
+    expect(page).to have_content "You are a verified user"
+
+    expect(page).not_to have_link "Verify my account"
+    expect(page).to have_content "Account verified"
+  end
+
+  scenario "Verification with residency and sms and letter" do
+    create(:geozone)
+    user = create(:user)
+    login_as(user)
+
+    visit account_path
+    click_link "Verify my account"
+
+    verify_residence
+
+    fill_in "sms_phone", with: "611111111"
+    click_button "Send"
+
+    expect(page).to have_content "Security code confirmation"
+
+    user = user.reload
+    fill_in "sms_confirmation_code", with: user.sms_confirmation_code
+    click_button "Send"
+
+    expect(page).to have_content "Code correct"
+
+    click_link "Send me a letter with the code"
+
+    expect(page).to have_content "Thank you for requesting your maximum security code (only required for the final votes)."\
+                                 " In a few days we will send it to the address featuring in the data we have on file."
+  end
+end