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

Test: ../../resources/webgl_test_files/conformance/reading/read-pixels-test.html
[ 1: PASS ] color pixel at 0, 0 should be about 51,153,102,255, was = 51,153,102,255
[ 2: PASS ] color pixel at 1, 0 should be about 51,153,102,255, was = 51,153,102,255
[ 3: PASS ] color pixel at 0, 1 should be about 51,153,102,255, was = 51,153,102,255
[ 4: PASS ] color pixel at 1, 1 should be about 51,153,102,255, was = 51,153,102,255
[ 5: PASS ] color pixel at 0, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 6: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 7: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 8: PASS ] color pixel at 1, 1 should be about 51,153,102,255, was = 51,153,102,255
[ 9: PASS ] color pixel at 0, 0 should be about 51,153,102,255, was = 51,153,102,255
[ 10: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 11: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 12: PASS ] color pixel at 1, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 13: PASS ] color pixel at 0, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 14: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 15: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 16: PASS ] color pixel at 1, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 17: PASS ] color pixel at 0, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 18: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 19: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 20: PASS ] color pixel at 1, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 21: PASS ] color pixel at 0, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 22: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 23: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 24: PASS ] color pixel at 1, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 25: PASS ] color pixel at 0, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 26: PASS ] color pixel at 1, 0 should be about 19,72,0,198, was = 19,72,0,198
[ 27: PASS ] color pixel at 0, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 28: PASS ] color pixel at 1, 1 should be about 19,72,0,198, was = 19,72,0,198
[ 29: PASS ] getError was expected value: NO_ERROR : there should be no GL errors
[ 30: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as DEPTH_COMPONENT
[ 31: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as DEPTH_STENCIL
[ 32: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x8229
[ 33: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as RGBA4
[ 34: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as LUMINANCE
[ 35: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as LUMINANCE_ALPHA
[ 36: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x1903
[ 37: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x8228
[ 38: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x8d99
[ 39: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x84fa
[ 40: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as UNSIGNED_SHORT
[ 41: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as SHORT
[ 42: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as BYTE
[ 43: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as UNSIGNED_INT
[ 44: PASS ] getError was expected value: INVALID_ENUM : Should not be able to read as 0x8368
[ 45: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : Should be able to read as RGBA / UNSIGNED_BYTE
[ 46: PASS ] getError was expected value: INVALID_OPERATION : Should not be able to read as RGB / UNSIGNED_BYTE
[ 47: PASS ] getError was expected value: INVALID_OPERATION : Should not be able to read as RGB / UNSIGNED_SHORT_5_6_5
[ 48: PASS ] getError was expected value: INVALID_OPERATION : Should not be able to read as RGBA / UNSIGNED_SHORT_5_5_5_1
[ 49: PASS ] getError was expected value: INVALID_OPERATION : Should not be able to read as RGBA / UNSIGNED_SHORT_4_4_4_4
[ 50: PASS ] getError was expected value: INVALID_OPERATION : Should not be able to read as ALPHA / UNSIGNED_BYTE
[ 51: PASS ] actual is expected
[ 52: PASS ] actual is expected
[ 53: PASS ] actual is expected
[ 54: PASS ] getError was expected value: NO_ERROR : there should be no GL errors
[ 55: PASS ] successfullyParsed is true
[ FAIL ] 1 failures reported