add hurl tests for currency exchange demo (#435)

tests/model_tests/arch_fc.hurl

@@ -0,0 +1,22 @@
+POST https://archfc.katanemo.dev/v1/chat/completions
+Content-Type: application/json
+
+{
+  "model": "Arch-Intent",
+  "messages": [
+    {
+      "role": "system",
+      "content": "You are a helpful assistant.\n\nYou task is to check if there are any tools that can be used to help the last user message in conversations according to the available tools listed below.\n\n<tools>\n{\"index\": \"T0\", \"type\": \"function\", \"function\": {\"name\": \"weather_forecast\", \"parameters\": {\"type\": \"object\", \"properties\": {\"city\": {\"type\": \"str\"}, \"days\": {\"type\": \"int\"}}, \"required\": [\"city\", \"days\"]}}}\n</tools>\n\nProvide your tool assessment for ONLY THE LAST USER MESSAGE in the above conversation:\n- First line must read 'Yes' or 'No'.\n- If yes, a second line must include a comma-separated list of tool indexes.\n"
+    },
+    { "role": "user", "content": "how is the weather in seattle? Are there any tools can help?" }
+  ],
+  "stream": false
+}
+
+HTTP 200
+[Asserts]
+header "content-type" == "application/json"
+jsonpath "$.model" matches /^Arch-Function/
+jsonpath "$.usage" != null
+jsonpath "$.choices[0].message.content" matches /Yes/
+jsonpath "$.choices[0].message.role" == "assistant"