private boolean uploadDefaultBlob() throws Exception {
    InputStream inputStream = AzureTestUtils.getBlobInputStream(blobSize);
    CloudBlobMetadata metadata = new CloudBlobMetadata(blobId, creationTime, Utils.Infinite_Time, blobSize,
        CloudBlobMetadata.EncryptionOrigin.NONE);
    return dataAccessor.uploadAsyncIfNotExists(blobId, blobSize, metadata, inputStream).join();
  }
Upload a blob with default properties.
@return the result of the uploadBlob call.
ambry-cloud/src/test/java/com/github/ambry/cloud/azure/AzureBlobDataAccessorTest.java