test: revert to working CMD without entrypoint

Dockerfile

@@ -18,4 +18,4 @@ RUN chmod +x /app/cleanup_tokens.sh /app/entrypoint.sh
 ENV TZ=Asia/Shanghai
 EXPOSE 7860
 
-CMD ["sh", "-c", "echo '[inline] starting' && exec /app/cli-proxy-api --config /app/config.yaml"]
+CMD ["./cli-proxy-api", "--config", "/app/config.yaml"]