docker 18.09.7-0ubuntu1~18.04.4 integration tests DockerSwarmSuite.TestSwarmInit and DockerSwarmSuite.TestSwarmUpdate are failing

$ grep FAIL docker-integration-test.log.txt
FAIL: docker_cli_swarm_test.go:85: DockerSwarmSuite.TestSwarmInit
FAIL: docker_cli_swarm_test.go:37: DockerSwarmSuite.TestSwarmUpdate
OOPS: 1479 passed, 50 skipped, 2 FAILED
--- FAIL: Test (5215.24s)
FAIL

I've attached the full log but here are the relevant excerpts:

FAIL: docker_cli_swarm_test.go:85: DockerSwarmSuite.TestSwarmInit

[d6c1107a028f0] waiting for daemon to start
[d6c1107a028f0] daemon started

docker_cli_swarm_test.go:118:
    c.Assert(spec.CAConfig.ExternalCAs[1].CACert, checker.Equals, string(expected))
... obtained string = ""
... expected string = "" +
... "-----BEGIN CERTIFICATE-----\n" +
... "MIID0TCCAzqgAwIBAgIJAP2r7GqEJwSnMA0GCSqGSIb3DQEBBQUAMIGiMQswCQYD\n" +
... "VQQGEwJVUzELMAkGA1UECBMCQ0ExFTATBgNVBAcTDFNhbkZyYW5jaXNjbzEVMBMG\n" +
... "A1UEChMMRm9ydC1GdW5zdG9uMREwDwYDVQQLEwhjaGFuZ2VtZTERMA8GA1UEAxMI\n" +
... "Y2hhbmdlbWUxETAPBgNVBCkTCGNoYW5nZW1lMR8wHQYJKoZIhvcNAQkBFhBtYWls\n" +
... "QGhvc3QuZG9tYWluMB4XDTEzMTIwMzE2NTYzMFoXDTIzMTIwMTE2NTYzMFowgaIx\n" +
... "CzAJBgNVBAYTAlVTMQswCQYDVQQIEwJDQTEVMBMGA1UEBxMMU2FuRnJhbmNpc2Nv\n" +
... "MRUwEwYDVQQKEwxGb3J0LUZ1bnN0b24xETAPBgNVBAsTCGNoYW5nZW1lMREwDwYD\n" +
... "VQQDEwhjaGFuZ2VtZTERMA8GA1UEKRMIY2hhbmdlbWUxHzAdBgkqhkiG9w0BCQEW\n" +
... "EG1haWxAaG9zdC5kb21haW4wgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBALAn\n" +
... "0xDw+5y7ZptQacq66pUhRu82JP2WU6IDgo5QUtNU6/CX5PwQATe/OnYTZQFbksxp\n" +
... "AU9boG0FCkgxfsgPYXEuZxVEGKI2fxfKHOZZI8mrkWmj6eWU/0cvCjGVc9rTITP5\n" +
... "sNQvg+hORyVDdNp2IdsbMJayiB3AQYMFx3vSDOMTAgMBAAGjggELMIIBBzAdBgNV\n" +
... "HQ4EFgQUZu7DFz09q0QBa2+ymRm9qgK1NPswgdcGA1UdIwSBzzCBzIAUZu7DFz09\n" +
... "q0QBa2+ymRm9qgK1NPuhgaikgaUwgaIxCzAJBgNVBAYTAlVTMQswCQYDVQQIEwJD\n" +
... "QTEVMBMGA1UEBxMMU2FuRnJhbmNpc2NvMRUwEwYDVQQKEwxGb3J0LUZ1bnN0b24x\n" +
... "ETAPBgNVBAsTCGNoYW5nZW1lMREwDwYDVQQDEwhjaGFuZ2VtZTERMA8GA1UEKRMI\n" +
... "Y2hhbmdlbWUxHzAdBgkqhkiG9w0BCQEWEG1haWxAaG9zdC5kb21haW6CCQD9q+xq\n" +
... "hCcEpzAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUAA4GBAF8fJKKM+/oOdnNi\n" +
... "zEd0M1+PmZOyqvjYQn/2ZR8UHH6Imgc/OPQKZXf0bVE1Txc/DaUNn9Isd1SuCuaE\n" +
... "ic3vAIYYU7PmgeNN6vwec48V96T7jr+GAi6AVMhQEc2hHCfVtx11Xx+x6aHDZzJt\n" +
... "Zxtf5lL6KSO9Y+EFwM+rju6hm5hW\n" +
... "-----END CERTIFICATE-----\n"

[d6c1107a028f0] exiting daemon

FAIL: docker_cli_swarm_test.go:37: DockerSwarmSuite.TestSwarmUpdate

[daa25bb457f91] waiting for daemon to start
[daa25bb457f91] daemon started

docker_cli_swarm_test.go:69:
    c.Assert(spec.CAConfig.ExternalCAs[0].CACert, checker.Equals, "")
... obtained string = "" +
... "-----BEGIN CERTIFICATE-----\n" +
... "MIIBaTCCARCgAwIBAgIUD3EOvCS/jyGkXNLWrMqSJYzzIW4wCgYIKoZIzj0EAwIw\n" +
... "EzERMA8GA1UEAxMIc3dhcm0tY2EwHhcNMTkxMTIxMTgzOTAwWhcNMzkxMTE2MTgz\n" +
... "OTAwWjATMREwDwYDVQQDEwhzd2FybS1jYTBZMBMGByqGSM49AgEGCCqGSM49AwEH\n" +
... "A0IABIOUj6OH5S3l+pQ9biFdNec0LtN5vmYyklxDql08/gWjpZoNpv+okyrw6vcA\n" +
... "jdwqvdgkKqtDEpn/5yY63g+zu6WjQjBAMA4GA1UdDwEB/wQEAwIBBjAPBgNVHRMB\n" +
... "Af8EBTADAQH/MB0GA1UdDgQWBBSqopXDDWBVtgPfdYI2U9kaH1cVVzAKBggqhkjO\n" +
... "PQQDAgNHADBEAiAOxEjb6xAWnMF1JiNpp/8mb92iSPN3cexkSFcC99sPwgIgcmJ6\n" +
... "+LFrps73iHNhzfscCtTKvnLTB7HJDsSjcwPXB4M=\n" +
... "-----END CERTIFICATE-----\n"
... expected string = ""

[daa25bb457f91] exiting daemon

---

Running the integration tests:

$ pull-lp-source docker.io bionic

$ cd cd docker.io-18.09.7

$ sudo make test-integration-cli