Test ./t/150-issue-64.t failed

With

export NETWORK_TESTING=1

test ./t/150-issue-64.t is failed:

t/150-issue-64.t ........... 
1..3
ok 1 - make request to 'http://purl.org/dc/elements/1.1/' lives
not ok 2 - request was successful
# Failed test 'request was successful'
# at t/150-issue-64.t line 23
ok 3 - and got some content back
# Looks like you failed 1 test of 3
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/3 subtests