tests: fix syntax error in tests.

Fix syntax error introduced in 24ead500. This broke the test suite in CI
which caused Codecov to report zero coverage.

test/functional/emails_controller_test.rb

@@ -141,6 +141,7 @@ class EmailsControllerTest < ActionDispatch::IntegrationTest
           assert_equal(false, @user.user_events.email_change.exists?)
         end
       end
+    end
 
     context "#verify" do
       context "with a correct verification key" do