add random fail node to web_classification_random_fail

src/promptflow/tests/test_configs/flows/web_classification_random_fail/fetch_text_content_from_url.py

@@ -1,13 +1,10 @@
 import bs4
 import requests
-import random
 from promptflow import tool
 
 
 @tool
 def fetch_text_content_from_url(url: str):
-    if random.random() < 0.5:
-        raise ValueError("Random failure")
     # Send a request to the URL
     try:
         headers = {

src/promptflow/tests/test_configs/flows/web_classification_random_fail/flow.dag.yaml

@@ -16,7 +16,7 @@ nodes:
     type: code
     path: fetch_text_content_from_url.py
   inputs:
-    url: ${inputs.url}
+    url: ${random_failure.output}
 - name: summarize_text_content
   type: llm
   source:
@@ -66,3 +66,10 @@ nodes:
     path: convert_to_dict.py
   inputs:
     input_str: ${classify_with_llm.output}
+- name: random_failure
+  type: python
+  source:
+    type: code
+    path: random_failure.py
+  inputs:
+    url: ${inputs.url}

src/promptflow/tests/test_configs/flows/web_classification_random_fail/random_failure.py

@@ -0,0 +1,12 @@
+import random
+from promptflow import tool
+
+
+# The inputs section will change based on the arguments of the tool function, after you save the code
+# Adding type to arguments and return value will help the system show the types properly
+# Please update the function name/signature per need
+@tool
+def random_failure(url: str) -> str:
+    if random.random() < 0.5:
+        raise ValueError("Random failure")
+    return url