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

Test: ../../../../resources/webgl_test_files/deqp/functional/gles3/texturespecification/texsubimage2d_pbo_cube_01.html
[ 1: FAIL ] specification.texsubimage2d_pbo.rgba32i_cube: Image comparison failed
[ 2: FAIL ] specification.texsubimage2d_pbo.rgba32i_cube: Verification failed
[ 3: FAIL ] specification.texsubimage2d_pbo.rgba8_cube: Image comparison failed
[ 4: FAIL ] specification.texsubimage2d_pbo.rgba8_cube: Verification failed
[ 5: FAIL ] specification.texsubimage2d_pbo.rgb10_a2ui_cube: Image comparison failed
[ 6: FAIL ] specification.texsubimage2d_pbo.rgb10_a2ui_cube: Verification failed
[ 7: FAIL ] specification.texsubimage2d_pbo.rgb565_cube: Image comparison failed
[ 8: FAIL ] specification.texsubimage2d_pbo.rgb565_cube: Verification failed
[ 9: FAIL ] specification.texsubimage2d_pbo.rgb16f_cube: gl.createProgram()
[ 10: FAIL ] specification.texsubimage2d_pbo.rgb8ui_cube: gl.createProgram()
[ 11: FAIL ] specification.texsubimage2d_pbo.rg32ui_cube: gl.createProgram()
[ 12: FAIL ] specification.texsubimage2d_pbo.rg8i_cube: gl.createProgram()
[ 13: FAIL ] specification.texsubimage2d_pbo.r32ui_cube: gl.createProgram()
[ 14: FAIL ] specification.texsubimage2d_pbo.r8i_cube: gl.createProgram()
[ 15: PASS ] successfullyParsed is true
[ FAIL ] 14 failures reported