Oct 18 18:17:44 [ERROR] Tests run: 6, Failures: 0, Errors: 6, Skipped: 0, Time elapsed: 9.138 s <<< FAILURE! - in org.apache.flink.metrics.prometheus.tests.PrometheusReporterEndToEndITCase
Oct 18 18:17:44 [ERROR] testReporter[0: Jar in 'lib', instantiated via reflection] Time elapsed: 1.779 s <<< ERROR!
Oct 18 18:17:44 java.io.IOException: Process ([wget, -q, -P, /home/vsts/work/1/e2e_cache/downloads/-1930370649, --timeout, 240, https:Oct 18 18:17:44 at org.apache.flink.tests.util.AutoClosableProcess$AutoClosableProcessBuilder.runBlockingWithRetry(AutoClosableProcess.java:168)
Oct 18 18:17:44 at org.apache.flink.tests.util.cache.AbstractDownloadCache.getOrDownload(AbstractDownloadCache.java:135)
Oct 18 18:17:44 at org.apache.flink.tests.util.cache.PersistingDownloadCache.getOrDownload(PersistingDownloadCache.java:36)
Oct 18 18:17:44 at org.apache.flink.metrics.prometheus.tests.PrometheusReporterEndToEndITCase.testReporter(PrometheusReporterEndToEndITCase.java:209)