add case

app.py

@@ -145,6 +145,17 @@ def get_example():
             50,
             0,
         ],
+        [
+            "Three guitars are displayed side by side on a rustic wooden stage, each showcasing its unique character and style. The left guitar is <img><|image_1|><\/img>. The middle guitar is <img><|image_2|><\/img>. The right guitars is <img><|image_3|><\/img>.",
+            "./imgs/test_cases/guitar1.png",
+            "./imgs/test_cases/guitar1.png",
+            "./imgs/test_cases/guitar1.png",
+            1024,
+            1024,
+            2.5,
+            50,
+            0,
+        ],
     ]
     return case