jdef: fix "forbidden" test flakes

JobBuild
95676
10-17 21:19
1a12c808
10-17 21:18
pull-kubernetes-bazel-build 1318957298705502208 1317575710205808640
pull-kubernetes-bazel-test 1318971035130793984 1318957298726473728 1317575710226780160
pull-kubernetes-conformance-kind-ga-only-parallel 1318957298881662976 1317575710381969408
pull-kubernetes-conformance-kind-ipv6-parallel 1317575710247751680
pull-kubernetes-dependencies 1318957298747445248 1317575710272917504
pull-kubernetes-e2e-gce-100-performance 1318957298923606016 1317575711032086528
pull-kubernetes-e2e-gce-ubuntu-containerd 1318957298793582592 1317575710293889024
pull-kubernetes-e2e-kind 1318957298839719936 1317575710340026368
pull-kubernetes-e2e-kind-ipv6 1318957298860691456 1317575710360997888
pull-kubernetes-integration 1318957298814554112 1317575710319054848
pull-kubernetes-node-e2e 1318957298898440192 1317575710402940928
pull-kubernetes-typecheck 1318957299544363008 1317575711849975808
pull-kubernetes-verify 1318957300387418112 1317575712688836608