CONSOLE ERROR: Uncaught TypeError: Cannot read properties of null (reading 'createTexture')
WebGL's tex(Sub)Image2D should throw a SecurityError exception when the ImageBitmap is not origin clean.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
FAIL Unexpected error: Uncaught TypeError: Cannot read properties of null (reading 'createTexture')
FAIL successfullyParsed should be true. Was false.
TEST COMPLETE