@Test
public void getAgentHolderName() {

    DockerInstance instance = createInstance();
    assertThat(instance.getAgentHolderName()).isEmpty();
    NewAgentHolderInfo agentHolderInfo = new NewAgentHolderInfo(TestUtils.createRandomSha256(),
            "agent_holder_name", "", Collections.emptyList());
    instance.bindWithAgentHolder(agentHolderInfo);
    assertThat(instance.getAgentHolderName()).isEqualTo(Optional.of("agent_holder_name"));
}