def "cannot register a duplicate deployment handle" () {
        def testHandle = new TestDeploymentHandle()
        objectFactory.newInstance(TestDeploymentHandle) >> testHandle
        when:
        registry.start("id", DeploymentRegistry.ChangeBehavior.NONE, TestDeploymentHandle)
        then:
        noExceptionThrown()
        registry.get("id", TestDeploymentHandle) == testHandle

        when:

                keyFile = file('${keyFile.name}')
            }

            class TestDeploymentHandle implements DeploymentHandle {
                final File keyFile
                boolean running

                @Inject 
                TestDeploymentHandle(key, File keyFile) {
                    this.keyFile = keyFile
                    keyFile.text = key
                }