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

Test: ../../../resources/webgl_test_files/conformance2/textures/misc/copy-texture-image-webgl-specific.html
[ 1: PASS ] WebGL context exists
[ 2: FAIL ] framebuffer not complete
[ 3: FAIL ] framebuffer not complete
[ 4: FAIL ] framebuffer not complete
[ 5: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : readpixel should succeed.
[ 6: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -1, y = -1 width = 4, height = 4
[ 7: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 8: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 9: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 0, y = 0 width = 3, height = 3
[ 10: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 11: FAIL ] byte comparison failure, byte at 8 was 0, should be 255
[ 12: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -1, y = -1 width = 3, height = 3
[ 13: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 14: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 15: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -1, y = 0 width = 3, height = 3
[ 16: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 17: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 18: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 0, y = -1 width = 3, height = 3
[ 19: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 20: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 21: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 0, y = 0 width = 2, height = 3
[ 22: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 23: FAIL ] byte comparison failure, byte at 8 was 0, should be 255
[ 24: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 0, y = 0 width = 3, height = 2
[ 25: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 26: FAIL ] byte comparison failure, byte at 8 was 0, should be 255
[ 27: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -1, y = 0 width = 3, height = 2
[ 28: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 29: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 30: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 0, y = -1 width = 2, height = 3
[ 31: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 32: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 33: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -2, y = -2 width = 3, height = 3
[ 34: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 35: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 36: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = -2, y = 1 width = 3, height = 3
[ 37: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 38: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 39: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 1, y = -2 width = 3, height = 3
[ 40: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 41: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 42: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 1, y = 1 width = 3, height = 3
[ 43: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 44: FAIL ] byte comparison failure, byte at 4 was 1, should be 255
[ 45: FAIL ] getError expected: NO_ERROR. Was INVALID_ENUM : using copyTexSubImage3D: x = 2, y = 2 width = 3, height = 3
[ 46: PASS ] getError was expected value: NO_ERROR : readpixel should succeed.
[ 47: FAIL ] byte comparison failure, byte at 0 was 1, should be 255
[ 48: PASS ] successfullyParsed is true
[ FAIL ] 32 failures reported