test: Replace exit code -1 with exit code 1
test: Replace exit code -1 with exit code 1

Signed-off-by: Tom Payne <96835dd8bfa718bd6447ccc87af89ae1675daeca@isovalent.com>

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