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

Test: ../../../../resources/webgl_test_files/deqp/functional/gles3/texturefiltering/cube_formats_00.html
[ 1: FAIL ] filtering.cube_formats.rgba16f_nearest: Texture upload failed
[ 2: FAIL ] filtering.cube_formats.rgba16f_linear: Texture upload failed
[ 3: FAIL ] filtering.cube_formats.rgba16f_nearest_mipmap_nearest: Texture upload failed
[ 4: FAIL ] filtering.cube_formats.rgba16f_linear_mipmap_nearest: Texture upload failed
[ 5: FAIL ] filtering.cube_formats.rgba16f_nearest_mipmap_linear: Texture upload failed
[ 6: FAIL ] filtering.cube_formats.rgba16f_linear_mipmap_linear: Texture upload failed
[ 7: PASS ] successfullyParsed is true
[ FAIL ] 6 failures reported