added fastapi test

tests/core_manual_tests/api_server/main.py

@@ -0,0 +1,40 @@
+import agentops
+from fastapi import FastAPI
+import uvicorn
+from dotenv import load_dotenv
+from agentops import record_tool
+from openai import OpenAI
+import time
+
+load_dotenv()
+
+openai = OpenAI()
+agentops.init(auto_start_session=False)
+app = FastAPI()
+
+
+@app.get("/completion")
+def completion():
+    start_time = time.time()
+
+    session = agentops.start_session(tags=["api-server-test"])
+
+    @record_tool(tool_name="foo")
+    def foo(x: str):
+        print(x)
+
+    foo("Hello")
+
+    session.end_session(end_state="Success")
+
+    end_time = time.time()
+    execution_time = end_time - start_time
+
+    return {
+        "response": 'Done',
+        "execution_time_seconds": execution_time
+    }
+
+
+if __name__ == "__main__":
+    uvicorn.run("main:app", host="127.0.0.1", port=8000, reload=True)