libio-socket-ssl-perl ftbfs in 18.04 LTS

according to
http://people.canonical.com/~doko/ftbfs-report/test-rebuild-20181222-bionic.html

libio-socket-perl ftbfs.

Test Summary Report
-------------------
t/auto_verify_hostname.t (Wstat: 2048 Tests: 22 Failed: 8)
  Failed tests: 3, 5-6, 8, 12, 16, 18, 22
  Non-zero exit status: 8
  Parse errors: Bad plan. You planned 30 tests but ran 22.
t/connectSSL-timeout.t (Wstat: 256 Tests: 8 Failed: 2)
  Failed tests: 7-8
  Non-zero exit status: 1
  Parse errors: Bad plan. You planned 16 tests but ran 8.
t/core.t (Wstat: 13 Tests: 7 Failed: 1)
  Failed test: 7
  Non-zero wait status: 13
  Parse errors: Bad plan. You planned 48 tests but ran 7.
t/mitm.t (Wstat: 0 Tests: 3 Failed: 1)
  Failed test: 3
  Parse errors: Bad plan. You planned 8 tests but ran 3.
t/plain_upgrade_downgrade.t (Wstat: 1024 Tests: 6 Failed: 5)
  Failed tests: 1-5
  Non-zero exit status: 4
  Parse errors: Tests out of sequence. Found (1) but expected (3)
                Tests out of sequence. Found (3) but expected (4)
                Tests out of sequence. Found (4) but expected (5)
                Tests out of sequence. Found (5) but expected (6)
                Bad plan. You planned 15 tests but ran 6.
t/sessions.t (Wstat: 256 Tests: 11 Failed: 1)
  Failed test: 9
  Non-zero exit status: 1
  Parse errors: Bad plan. You planned 35 tests but ran 11.
t/sni.t (Wstat: 256 Tests: 5 Failed: 4)
  Failed tests: 2-5
  Non-zero exit status: 1
  Parse errors: Bad plan. You planned 17 tests but ran 5.
t/sni_verify.t (Wstat: 256 Tests: 5 Failed: 4)
  Failed tests: 2-5
  Non-zero exit status: 1
  Parse errors: Bad plan. You planned 17 tests but ran 5.
t/startssl.t (Wstat: 256 Tests: 9 Failed: 2)
  Failed tests: 5, 8
  Non-zero exit status: 1
  Parse errors: Bad plan. You planned 21 tests but ran 9.
t/sysread_write.t (Wstat: 0 Tests: 2 Failed: 1)
  Failed test: 2
  Parse errors: Bad plan. You planned 9 tests but ran 2.
t/verify_hostname.t (Wstat: 0 Tests: 45 Failed: 2)
  Failed tests: 44-45
Files=36, Tests=635, 35 wallclock secs ( 0.11 usr 0.04 sys + 4.18 cusr 0.34 csys = 4.67 CPU)
Result: FAIL
Failed 11/36 test programs. 31/635 subtests failed.
Makefile:859: recipe for target 'test_dynamic' failed
make[1]: *** [test_dynamic] Error 255
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
dh_auto_test: make -j4 -O test TEST_VERBOSE=1 returned exit code 2
debian/rules:4: recipe for target 'binary' failed
make: *** [binary] Error 25