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

Test: ../../resources/webgl_test_files/conformance2/rendering/rendering-sampling-feedback-loop.html
[ 1: PASS ] WebGL context exists
[ 2: PASS ] Set up program succeeded
[ 3: FAIL ] getError expected: INVALID_OPERATION. Was NO_ERROR : Rendering to a texture where it samples from should geneates INVALID_OPERATION. Otherwise, it should be NO_ERROR
[ 4: FAIL ] getError expected: INVALID_OPERATION. Was NO_ERROR : Rendering to a texture where it samples from should geneates INVALID_OPERATION. Otherwise, it should be NO_ERROR
[ 5: PASS ] getError was expected value: NO_ERROR : Rendering to a texture where it samples from should geneates INVALID_OPERATION. Otherwise, it should be NO_ERROR
[ 6: PASS ] successfullyParsed is true
[ FAIL ] 2 failures reported