Following are all the tests that fail if jujud does not compile:
$ grep ^"FAIL" ~/test.out
FAIL: bootstrap_test.go:113: BootstrapSuite.TestAllowRetries
FAIL: bootstrap_test.go:595: BootstrapSuite.TestBootstrapDestroy
FAIL: bootstrap_test.go:392: BootstrapSuite.TestBootstrapJenvWarning
FAIL: bootstrap_test.go:369: BootstrapSuite.TestBootstrapTwice
FAIL: bootstrap_test.go:466: BootstrapSuite.TestUploadLocalImageMetadata
FAIL: addmachine.go:1: UnexposeSuite.TearDownTest
FAIL: addmachine.go:1: UnsetSuite.TearDownTest
FAIL: addmachine.go:1: UpgradeCharmErrorsSuite.TearDownTest
FAIL: addmachine.go:1: UpgradeCharmSuccessSuite.TearDownTest
FAIL: addmachine.go:1: UpgradeJujuSuite.TearDownTest
FAIL
FAIL launchpad.net/juju-core/cmd/juju 241.459s
FAIL: bootstrap_test.go:151: bootstrapSuite.TestBootstrapTools
FAIL
FAIL launchpad.net/juju-core/environs/bootstrap 5.562s
FAIL: sync_test.go:358: uploadSuite.TestSyncAndForceVersion
FAIL: sync_test.go:332: uploadSuite.TestSyncTools
FAIL: sync_test.go:345: uploadSuite.TestSyncToolsFakeSeries
FAIL: sync_test.go:278: uploadSuite.TestUpload
FAIL: sync_test.go:299: uploadSuite.TestUploadAndForceVersion
FAIL: sync_test.go:289: uploadSuite.TestUploadFakeSeries
FAIL
FAIL launchpad.net/juju-core/environs/sync 1.993s
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:379: LiveTests.TestBootstrapMultiple
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:531: LiveTests.TestBootstrapVerifyStorage
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:553: LiveTests.TestCheckEnvironmentOnConnect
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:591: LiveTests.TestCheckEnvironmentOnConnectBadVerificationFile
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:570: LiveTests.TestCheckEnvironmentOnConnectNoVerificationFile
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:314: LiveTests.TestGlobalPorts
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:225: LiveTests.TestPorts
FAIL: /go/src/launchpad.net/juju-core/environs/jujutest/livetests.go:171: LiveTests.TestStartStop
FAIL
FAIL launchpad.net/juju-core/provider/dummy 2.595s
FAIL: environ_test.go:55: environSuite.TestOpenFailsWithProtectedDirectories
FAIL
FAIL launchpad.net/juju-core/provider/local 13.054s
FAIL: server_test.go:226: StoreSuite.TestCharmStreaming
FAIL: store_test.go:764: StoreSuite.TestCounterTokenUniqueness
FAIL: store_test.go:705: StoreSuite.TestCountersTokenCaching
FAIL: store_test.go:789: StoreSuite.TestListCounters
FAIL: store_test.go:854: StoreSuite.TestListCountersBy
FAIL: server_test.go:79: StoreSuite.TestServerCharmEvent
FAIL: server_test.go:35: StoreSuite.TestServerCharmInfo
FAIL: server_test.go:304: StoreSuite.TestStatsCounter
FAIL: server_test.go:390: StoreSuite.TestStatsCounterBy
FAIL: server_test.go:338: StoreSuite.TestStatsCounterList
FAIL: store_test.go:612: StoreSuite.TestSumCounters
FAIL
FAIL launchpad.net/juju-core/store 12.553s
FAIL: uniter_test.go:67: UniterSuite.SetUpSuite
FAIL
FAIL launchpad.net/juju-core/worker/uniter 12.640s