docs: Fix ginkgo command line.
docs: Fix ginkgo command line.

Ginkgo needs the '-v' option to actually show the test names in the dry run mode.

Signed-off-by: Jarno Rajahalme <0f1ab0ac7dffd9db21aa539af2fd4bb04abc3ad4@covalent.io>

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