Use fake ID for list_events

Author: alexrudall

spec/fixtures/cassettes/fine_tuning_job_event_list.yml

@@ -72,11 +72,11 @@
 
     describe "#list_events" do
       let(:cassette) { "fine tuning job event list" }
-      let(:response) { OpenAI::Client.new.fine_tuning_jobs.list_events(id: create_response["id"]) }
+      let(:response) { OpenAI::Client.new.fine_tuning_jobs.list_events(id: 123) }
 
       it "succeeds" do
         VCR.use_cassette(cassette) do
-          expect(response.dig("data", 0, "object")).to eq("fine_tuning.job.event")
+          expect(response.dig("error", "code")).to eq("fine_tune_not_found")
         end
       end
     end