Go 1.10: x509_test.go:700: server cert: Expected error, got none

[nim-nim]

1.9.6 does not pass unit tests with Go 1.10. At least:

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.9.6/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '\'''
--- FAIL: TestX509 (0.02s)
	x509_test.go:700: server cert: Expected error, got none
--- FAIL: TestX509Verifier (0.00s)
	x509_test.go:855: server cert disallowed: Expected error, got none
FAIL
exit status 1
FAIL	k8s.io/apiserver/pkg/authentication/request/x509	0.040s

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.9.6/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '\'''
# k8s.io/apiserver/pkg/authentication/token/cache
./cache_test.go:80: Errorf format %v reads arg #3, but call has only 2 args
./cache_test.go:86: Errorf format %v reads arg #3, but call has only 2 args
FAIL	k8s.io/apiserver/pkg/authentication/token/cache [build failed]

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.9.6/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '\'''
# k8s.io/apiserver/pkg/endpoints
./apiserver_test.go:1961: Fatalf format %v reads arg #2, but call has only 1 arg
./apiserver_test.go:1965: Fatalf format %#v reads arg #2, but call has only 1 arg
./apiserver_test.go:2086: Errorf format %v reads arg #2, but call has only 1 arg
./apiserver_test.go:2091: Errorf format %#v reads arg #2, but call has only 1 arg

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.9.6/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '\'''
# k8s.io/apiserver/pkg/endpoints/filters
./audit_test.go:851: Errorf format %p has arg resp.Header.Get("Audit-ID") of wrong type string
FAIL    k8s.io/apiserver/pkg/endpoints/filters [build failed]

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.9.6/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  '\'''
# k8s.io/apiserver/pkg/storage/etcd3
./store_test.go:1196: Fatal call has possible formatting directive %v
FAIL	k8s.io/apiserver/pkg/storage/etcd3 [build failed]

And for 1.7.15:

+ GOPATH=/builddir/build/BUILD/apiserver-kubernetes-1.7.15/_build:/usr/share/gocode
+ go test -buildmode pie -compiler gc -ldflags '-extldflags '\''-Wl,-z,relro  '\'''
# k8s.io/apiserver/pkg/endpoints
./apiserver_test.go:1730: Errorf format %d has arg resp of wrong type *net/http.Response
./apiserver_test.go:1735: Errorf format %d has arg resp of wrong type *net/http.Response
FAIL	k8s.io/apiserver/pkg/endpoints [build failed]

[fejta-bot]

Issues go stale after 90d of inactivity.
Mark the issue as fresh with /remove-lifecycle stale.
Stale issues rot after an additional 30d of inactivity and eventually close.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle stale

[fejta-bot]

Stale issues rot after 30d of inactivity.
Mark the issue as fresh with /remove-lifecycle rotten.
Rotten issues close after an additional 30d of inactivity.

If this issue is safe to close now please do so with /close.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/lifecycle rotten
/remove-lifecycle stale

[fejta-bot]

Rotten issues close after 30d of inactivity.
Reopen the issue with /reopen.
Mark the issue as fresh with /remove-lifecycle rotten.

Send feedback to sig-testing, kubernetes/test-infra and/or fejta.
/close