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

Test: ../../resources/webgl_test_files/conformance/extensions/webgl-draw-buffers-framebuffer-unsupported.html
[ 1: PASS ] gl = wtu.create3DContext(undefined, undefined, 1) is non-null.
[ 2: PASS ] getError was expected value: NO_ERROR : should be able to call drawBuffersWEBGL successfully
[ 3: PASS ] getError was expected value: NO_ERROR : should be able to call drawBuffersWEBGL successfully
[ 4: PASS ] Successfully enabled WEBGL_draw_buffers extension
[ 5: PASS ] getError was expected value: NO_ERROR : Texture creation should succeed.
[ 6: PASS ] checkFramebufferStatus got FRAMEBUFFER_COMPLETE as expected
[ 7: PASS ] checkFramebufferStatus got FRAMEBUFFER_COMPLETE as expected
[ 8: FAIL ] checkFramebufferStatus expects [FRAMEBUFFER_UNSUPPORTED], was FRAMEBUFFER_COMPLETE
[ 9: PASS ] checkFramebufferStatus got FRAMEBUFFER_COMPLETE as expected
[ 10: PASS ] checkFramebufferStatus got FRAMEBUFFER_COMPLETE as expected
[ 11: FAIL ] checkFramebufferStatus expects [FRAMEBUFFER_UNSUPPORTED], was FRAMEBUFFER_COMPLETE
[ 12: PASS ] successfullyParsed is true
[ FAIL ] 2 failures reported