WebGL texture clear conformance test.
On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
TEST COMPLETE: 3 PASS, 1 FAIL
PASS getError was expected value: NO_ERROR : Should be no errors from setup.
FAIL should be green
at (0, 0) expected: 0,255,0,255 was 0,0,0,0
PASS getError was expected value: NO_ERROR : Should be no errors from setup.
PASS successfullyParsed is true
TEST COMPLETE