TestDomainObject value = new TestDomainObject('a')
        File file = Files.createTempFile(tmpDir.toPath(), null, null).toFile()
        repository.put('class', value)

        when:
        repository.store(file)
        def newRepo = new SimpleClassMetaDataRepository<TestDomainObject>()
        newRepo.load(file)

        then:
        newRepo.find('class') == value
    }
}