Fix remote server URL example in testing documentation

- Updated GATEWAY_URL example from https://your-server.com/mcp to https://your-server.com/currenttime/mcp
- Ensures consistency with localhost example format and proper MCP server path structure

Author: aarora79

docs/testing.md

@@ -52,7 +52,7 @@ Using JSON token file:
 GATEWAY_URL=http://localhost/currenttime/mcp ./mcp_cmds.sh ping
 
 # Target remote server
-GATEWAY_URL=https://your-server.com/mcp ./mcp_cmds.sh list
+GATEWAY_URL=https://your-server.com/currenttime/mcp ./mcp_cmds.sh list
 ```
 
 #### 2. `mcp_demo.sh` - Intelligent Agent Workflows