@Test // issue #6
public void testThatEmptyMetricsDoNotResultInBrokenBulkRequest() throws Exception {

    long connectionsBeforeReporting = getTotalHttpConnections();
    elasticsearchReporter.report();
    long connectionsAfterReporting = getTotalHttpConnections();
    org.assertj.core.api.Assertions.assertThat(connectionsAfterReporting).isEqualTo(connectionsBeforeReporting);
}