github.com/juju/juju/cmd/juju/service unit tests fail if xenial is the LTS

The following tests fail for this pacakge when xenial is the default lts (from distro-info --lts):

FAIL: bundle_test.go:1426: deployRepoCharmStoreSuite.TestDeployBundleAnnotations
FAIL: bundle_test.go:555: deployRepoCharmStoreSuite.TestDeployBundleLocalAndCharmStoreCharms
FAIL: bundle_test.go:498: deployRepoCharmStoreSuite.TestDeployBundleLocalDeployment
FAIL: bundle_test.go:1049: deployRepoCharmStoreSuite.TestDeployBundleMachineAttributes
FAIL: bundle_test.go:952: deployRepoCharmStoreSuite.TestDeployBundleMachinesUnitsPlacement
FAIL: bundle_test.go:1287: deployRepoCharmStoreSuite.TestDeployBundleMassiveUnitColocation
FAIL: bundle_test.go:1167: deployRepoCharmStoreSuite.TestDeployBundleUnitColocationWithUnit
FAIL: bundle_test.go:1237: deployRepoCharmStoreSuite.TestDeployBundleUnitPlacedToMachines
FAIL: deploy_test.go:1082: DeploySuite.TestAddMetricCredentialsDefaultForUnmeteredCharm
FAIL: deploy_test.go:235: DeploySuite.TestCharmBundle
FAIL: deploy_test.go:143: DeploySuite.TestCharmDir
FAIL: deploy_test.go:283: DeploySuite.TestConstraints
FAIL: deploy_test.go:424: DeploySuite.TestForceMachine
FAIL: deploy_test.go:433: DeploySuite.TestForceMachineExistingContainer
FAIL: deploy_test.go:107: DeploySuite.TestNoCharm
FAIL: deploy_test.go:390: DeploySuite.TestNumUnits
FAIL: deploy_test.go:330: DeploySuite.TestStorage
FAIL: expose_test.go:63: ExposeSuite.TestBlockExpose
FAIL: expose_test.go:45: ExposeSuite.TestExpose
FAIL: removeunit_test.go:59: RemoveUnitSuite.TestBlockRemoveUnit
FAIL: removeunit_test.go:48: RemoveUnitSuite.TestRemoveUnit
FAIL: unexpose_test.go:67: UnexposeSuite.TestBlockUnexpose
FAIL: unexpose_test.go:45: UnexposeSuite.TestUnexpose
FAIL: upgradecharm_test.go:83: UpgradeCharmErrorsSuite.TestWithInvalidRepository
FAIL: upgradecharm_test.go:363: UpgradeCharmSuccessSuite.TestCharmPath
FAIL: upgradecharm_test.go:376: UpgradeCharmSuccessSuite.TestCharmPathNoRevUpgrade
FAIL: upgradecharm_test.go:337: UpgradeCharmSuccessSuite.TestSwitch