public String getServiceAccount() {
        return flinkConfig.get(KubernetesConfigOptions.JOB_MANAGER_SERVICE_ACCOUNT);
    }
@Test
    void testGetServiceAccount() {
        flinkConfig.set(KubernetesConfigOptions.JOB_MANAGER_SERVICE_ACCOUNT, "flink");
        assertThat(kubernetesJobManagerParameters.getServiceAccount()).isEqualTo("flink");
    }