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_bitmap/tex-2d-rg16f-rg-float.html
[ 1: PASS ] createImageBitmap with options may be rejected if it is not supported. Retrying without options.
[ 2: FAIL ] createImageBitmap(imageData) should succeed.
[ 3: PASS ] successfullyParsed is true
[ FAIL ] 1 failures reported