fix test

Author: Dishant1804

backend/tests/apps/ai/agent/tools/rag/generator_test.py

@@ -320,4 +320,4 @@ def test_generate_answer_none_openai_response(self):
     def test_constants(self):
         """Test class constants have expected values."""
         assert Generator.MAX_TOKENS == 2000
-        assert Generator.TEMPERATURE == 0.8
+        assert Generator.TEMPERATURE == 0.5