keyServerFixture.stop()
    }

    protected void serveMissingKey(String keyId = SigningFixtures.validPublicKeyHexString) {
        keyServerFixture.missingKey(keyId)
    }

    protected void serveValidKey() {
        keyServerFixture.withDefaultSigningKey()
    }

    protected SimpleKeyRing newKeyRing(PGPPublicKey mustBeAfter = SigningFixtures.validPublicKey) {
        def ring = createKeyRing()