
Harness Error (FAIL), message = ReferenceError: Can't find variable: OffscreenCanvas

FAIL Test that convertToBlob with default arguments produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with default type/1.0 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with default type/0.2 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with png/default quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with png/1.0 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with png/0.2 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with jpeg/default quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with jpeg/1.0 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with jpeg/0.2 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with webp/default quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with webp/1.0 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that convertToBlob with webp/0.2 quality produces correct result in a worker assert_unreached: error Reached unreachable code
FAIL Test that call convertToBlob on a detached OffscreenCanvas throws exception in a worker assert_unreached: error Reached unreachable code
FAIL Test that call convertToBlob on a OffscreenCanvas with size 0 throws exception in a worker assert_unreached: error Reached unreachable code