public String getUserArtifactsBaseDir() {
        return flinkConfig.getString(ArtifactFetchOptions.BASE_DIR);
    }
@Test
    public void testGetUserArtifactsBaseDir() {
        flinkConfig.set(ArtifactFetchOptions.BASE_DIR, "/opt/job/artifacts");
        assertThat(kubernetesJobManagerParameters.getUserArtifactsBaseDir())
                .isEqualTo("/opt/job/artifacts");
    }