Fix system specs

Author: romanrizzi

spec/system/summarization/chat_summarization_spec.rb

@@ -22,7 +22,8 @@
   end
 
   it "displays a summary of the messages since the selected timeframe" do
-    DiscourseAi::Completions::Llm.with_prepared_responses([summarization_result]) do
+    json_format_response = { summary: summarization_result }.to_json
+    DiscourseAi::Completions::Llm.with_prepared_responses([json_format_response]) do
       chat.visit_channel(channel)
 
       find(".chat-composer-dropdown__trigger-btn").click

spec/system/summarization/topic_summarization_spec.rb

@@ -13,12 +13,12 @@
     )
   end
 
-  let(:clean_summary) { "This is a summary" }
+  let(:summarization_result) { "This is a summary" }
 
   let(:topic_page) { PageObjects::Pages::Topic.new }
   let(:summary_box) { PageObjects::Components::AiSummaryTrigger.new }
 
-  fab!(:ai_summary) { Fabricate(:ai_summary, target: topic, summarized_text: clean_summary) }
+  fab!(:ai_summary) { Fabricate(:ai_summary, target: topic, summarized_text: "This is a summary") }
 
   before do
     group.add(current_user)