hardcoding a string in the return to unit test functionality

app.py

@@ -3,7 +3,7 @@ from transformers import pipeline
 
 def generate_story(story):
     ner = pipeline("ner", model="dbmdz/bert-large-cased-finetuned-conll03-english")
-    return str(ner(story))
+    return str(ner("My name is Ganesh Kamath and I work at AMD in Bangalore."))
 
 demo = gr.Interface (
     fn=generate_story,