add testcase

app.py

@@ -83,11 +83,11 @@ def create_ui():
         with gr.Row(elem_classes=["videos"]):
             with gr.Column(elem_classes=["video-container"]):
                 gr.Markdown("### 视频 A")
-                left_video = gr.Video(label="左侧视频")
+                left_video = gr.Video(label="左侧视频", value="./videos/test/test1.mp4")
             
             with gr.Column(elem_classes=["video-container"]):
                 gr.Markdown("### 视频 B")
-                right_video = gr.Video(label="右侧视频")
+                right_video = gr.Video(label="右侧视频", value="./videos/test/test2.mp4")
         
         selections = []
         with gr.Group(elem_classes=["criteria"]):