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

Test: ../../resources/webgl_test_files/conformance/renderbuffers/feedback-loop.html
[ 1: PASS ] getError was expected value: NO_ERROR : after creating texture
[ 2: PASS ] framebuffer should be FRAMEBUFFER_COMPLETE.
[ 3: PASS ] getError was expected value: NO_ERROR : after initWebGL
[ 4: FAIL ] getError expected: INVALID_OPERATION. Was NO_ERROR : after draw with invalid feedback loop
[ 5: PASS ] getError was expected value: NO_ERROR : after drawing
[ 6: FAIL ] Should be blue. at (0, 0) expected: 0,0,255,255 was 0,255,0,255
[ 7: PASS ] getError was expected value: NO_ERROR : after draw where framebuffer texture is bound to inactive texture unit
[ 8: PASS ] Should be red.
[ 9: PASS ] successfullyParsed is true
[ FAIL ] 2 failures reported