Test 1 - Content ID:
Test 2 - downloadToFile:
Test 3 - saveToFile text:
Test 4 - saveToFile image:
Test 5 - GetFileURL:
Test 6 - isFilePresent:
Test 6b - isFilePresent:
Test 7 - readFile:
Test 8 - deleteFile:
Test 9 - listFiles:
Test END - error: