Tests Blob retrieval via IO.read
First 27 bytes: "012345678901234567890123456" eof: false, encoded: false
Next 5 bytes: "78901" eof: false, encoded: false
Next chunk: 23456..56789 (999968)
Seeking to 999996: "6789" eof: true, encoded: false
Seeking to 0: "0123456789" eof: false, encoded: false
Reading negative size, got error: {
    code : -32602
    message : Invalid max read size
}
From concurrent requests: 0123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789
Total read: 1000000
Error from close: undefined
First 16 bytes of binary blob: "AAECAwQFBgcICQABAgMEBQ==" eof: false, encoded: true
Decoded: 0,1,2,3,4,5,6,7,8,9,0,1,2,3,4,5