@Override
    public Map<String, String> getAnnotations() {
        return flinkConfig
                .getOptional(KubernetesConfigOptions.JOB_MANAGER_ANNOTATIONS)
                .orElse(Collections.emptyMap());
    }
@Test
    void testGetEmptyAnnotations() {
        assertThat(kubernetesJobManagerParameters.getAnnotations()).isEmpty();
    }