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

Test: ../../../../resources/webgl_test_files/deqp/functional/gles3/framebufferblit/conversion_20.html
[ 1: PASS ] blit.conversion.rg8ui_to_rgba32ui:
[ 2: PASS ] blit.conversion.rg8ui_to_rgba16ui:
[ 3: PASS ] blit.conversion.rg8ui_to_rgba8ui:
[ 4: FAIL ] blit.conversion.rg8ui_to_rgb10_a2ui: glError: [object Object]
[ 5: PASS ] blit.conversion.rg8ui_to_rg32ui:
[ 6: PASS ] blit.conversion.rg8ui_to_rg16ui:
[ 7: PASS ] blit.conversion.rg8ui_to_rg8ui:
[ 8: FAIL ] blit.conversion.rg8ui_to_r32ui:
[ 9: FAIL ] blit.conversion.rg8ui_to_r16ui:
[ 10: FAIL ] blit.conversion.rg8ui_to_r8ui:
[ 11: PASS ] blit.conversion.rg8ui_to_r8ui: successfullyParsed is true
[ FAIL ] 4 failures reported