Test not passing (w/ Go 1.15)

[eclipseo]

Go 1.15 rc 1 on Fedora Rawhide, git tip:

Testing    in: /builddir/build/BUILD/handy-0f66f006fb2ebde51f4ce769641df75d602989e7/_build/src
         PATH: /builddir/build/BUILD/handy-0f66f006fb2ebde51f4ce769641df75d602989e7/_build/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/sbin
       GOPATH: /builddir/build/BUILD/handy-0f66f006fb2ebde51f4ce769641df75d602989e7/_build:/usr/share/gocode
  GO111MODULE: off
      command: go test -buildmode pie -compiler gc -ldflags "-X github.com/streadway/handy/version.commit=0f66f006fb2ebde51f4ce769641df75d602989e7 -X github.com/streadway/handy/version=0 -extldflags '-Wl,-z,relro -Wl,--as-needed  -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld '"
      testing: github.com/streadway/handy
github.com/streadway/handy/accept
PASS
ok  	github.com/streadway/handy/accept	0.004s
github.com/streadway/handy/breaker
PASS
ok  	github.com/streadway/handy/breaker	0.016s
github.com/streadway/handy/cors
PASS
ok  	github.com/streadway/handy/cors	0.004s
github.com/streadway/handy/encoding
PASS
ok  	github.com/streadway/handy/encoding	0.009s
github.com/streadway/handy/proxy
PASS
ok  	github.com/streadway/handy/proxy	0.006s
github.com/streadway/handy/redirect
PASS
ok  	github.com/streadway/handy/redirect	0.004s
github.com/streadway/handy/report
PASS
ok  	github.com/streadway/handy/report	0.015s
github.com/streadway/handy/retry
--- FAIL: TestNotTemporaryAborts (0.00s)
    strategy_test.go:163: expected temporary errors not to error, got: is success
FAIL
exit status 1
FAIL	github.com/streadway/handy/retry	0.506s