Update tests

test/controllers/controller_authentication_test.rb

@@ -7,7 +7,7 @@ class ControllerAuthenticationTest < ActionDispatch::IntegrationTest
     get cards_path
 
     assert_response :success
-    assert_dom "p", text: "You don't have any existing Fizzy accounts."
+    assert_dom "p", text: "You don't have any existing Boxcar accounts."
   end
 
   test "access with an account slug but no session redirects to new session" do

test/jobs/conversation/message/response_generator_job_test.rb

@@ -39,6 +39,6 @@ class Conversation::Message::ResponseGeneratorJobTest < ActiveJob::TestCase
 
     last_message = conversation.messages.ordered.last
     assert last_message.assistant?
-    assert_match(/Fizzy is very busy/i, last_message.content.to_plain_text)
+    assert_match(/Boxcar is very busy/i, last_message.content.to_plain_text)
   end
 end