Add test_server example script

adala/server/test_server.py

@@ -0,0 +1,42 @@
+import requests
+import json
+
+response = requests.post(
+    "http://localhost:30001/submit",
+    json={
+        "agent": {
+            "skills": [{
+                "type": "classification",
+                "name": "text_classifier",
+                "instructions": "Classify the text.",
+                "input_template": "Text: {text}",
+                "output_template": "Classification result: {label}",
+                "labels": {
+                    "label": ['label1', 'label2', 'label3']
+                }
+            }],
+            "runtimes": {
+                "default": {
+                    "type": "openai-chat",
+                    "model": "gpt-3.5-turbo-0125",
+                    "api_key": "..."
+                }
+            },
+            "environment": {
+                "type": "kafka_filestream",
+                "kafka_bootstrap_servers": "kafka:9093",
+                "kafka_input_topic": "adala/input",
+                "kafka_output_topic": "adala/output",
+                "input_file": "s3://htx-test/input.csv",
+                "output_file": "s3://htx-test/output.csv",
+                "error_file": "s3://htx-test/errors.csv",
+                "pass_through_columns": ["text", "id"]
+            }
+        }
+    }
+)
+
+try:
+    print(json.dumps(response.json(), indent=2))
+except:
+    print(response.text)