lakshmi-manasa-g opened a new pull request #1306: Fix new flaky test URL: https://github.com/apache/samza/pull/1306 Symptom: Travis builds occasionally fail with AssertionError for org.apache.samza.system.azureblob.avro.TestAzureBlobOutputStream.testFlushFailed. Example: https://travis-ci.org/apache/samza/builds/658407113?utm_source=github_status&utm_medium=notification Cause: Seems to be due to using stubbing com.azure.storage.blob.specialized.BlockBlobAsyncClient.stageBlock throw an exception to make flush fail for AzureBlobOutputStream Changes: pull call to all of Blob client into package private methods of AzureBlobOutputStream and verify that method. Tests: Rerun of TestAzureBlobOutputStream in original code cause 115 failures in 21K runs Rerun of TestAzureBlobOutputStream with this fix causes 0 failures in 21K runs
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