// we want 2 parts
ByteSource inputSource = createByteSource(PART_SIZE + 1);
addMultipartBlobToContainer(containerName, objectName, inputSource);
// did we create enough parts?
long countAfter = blobStore.countBlobs(containerName);
assertNotEquals(countAfter, countBefore, "No blob was created");
assertEquals(countAfter, countBefore + 3,
"3 parts (2 objects + 1 manifest) were expected.");
// download and check if correct