test: Update the cli gingko test
test: Update the cli gingko test

This commit is to update the cli test cases for help command

Originally, help command output is printing to stderr instead of stdout.
This commit might be reverted if it's not agreed by maintainer

Signed-off-by: Tam Mach <928487046a9c42ed56ed508a413e2eaabffae612@yahoo.com>

cilium/cilium,michi-covalent/cilium,tgraf/cilium,cilium-team/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium,tklauser/cilium,michi-covalent/cilium,michi-covalent/cilium,michi-covalent/cilium,tgraf/cilium,cilium-team/cilium,cilium/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,tklauser/cilium,cilium/cilium