| PASS Test that convertToBlob with default type produces correct result | |
| PASS Test that convertToBlob with png produces correct result | |
| PASS Test that convertToBlob with jpge produces correct result | |
| PASS Test that convertToBlob with webp produces correct result | |
| PASS Test that call convertToBlob on a detached OffscreenCanvas throws exception | |
| PASS Test that call convertToBlob on a OffscreenCanvas with size 0 throws exception | |
| PASS Test that call convertToBlob on a OffscreenCanvas with tainted origin throws exception | |