This test runs the WebGL Test listed below in an iframe and reports PASS or FAIL.

Test: ../../../resources/webgl_test_files/conformance2/textures/image_bitmap_from_image_data/tex-2d-rgba4-rgba-unsigned_short_4_4_4_4.html
[ 1: PASS ] createImageBitmap with options may be rejected if it is not supported. Retrying without options.
[ 2: FAIL ] createImageBitmap(source) failed: "createImageBitmap with ImageData is not implemented"
[ 3: PASS ] successfullyParsed is true
[ FAIL ] 1 failures reported