TestGetCNIConfigFilepath: fix goroutine leak (#25961)
TestGetCNIConfigFilepath: fix goroutine leak (#25961)

Signed-off-by: Gaurav Singh <8968a526fc7a1cdc1e19b8d2aa18b75f407d6450@gmail.com>
istio/istio,istio/istio,istio/istio,istio/istio,istio/istio