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

Test: ../../../../resources/webgl_test_files/deqp/functional/gles3/texturespecification/texsubimage2d_empty_tex.html
[ 1: PASS ] specification.texsubimage2d_empty_tex.alpha_unsigned_byte_2d: Passed
[ 2: PASS ] specification.texsubimage2d_empty_tex.alpha_unsigned_byte_cube: Passed
[ 3: FAIL ] specification.texsubimage2d_empty_tex.luminance_unsigned_byte_2d: Image comparison failed
[ 4: FAIL ] specification.texsubimage2d_empty_tex.luminance_unsigned_byte_2d: Verification failed
[ 5: FAIL ] specification.texsubimage2d_empty_tex.luminance_unsigned_byte_cube: Image comparison failed
[ 6: FAIL ] specification.texsubimage2d_empty_tex.luminance_unsigned_byte_cube: Verification failed
[ 7: FAIL ] specification.texsubimage2d_empty_tex.luminance_alpha_unsigned_byte_2d: Image comparison failed
[ 8: FAIL ] specification.texsubimage2d_empty_tex.luminance_alpha_unsigned_byte_2d: Verification failed
[ 9: FAIL ] specification.texsubimage2d_empty_tex.luminance_alpha_unsigned_byte_cube: Image comparison failed
[ 10: FAIL ] specification.texsubimage2d_empty_tex.luminance_alpha_unsigned_byte_cube: Verification failed
[ 11: PASS ] specification.texsubimage2d_empty_tex.rgb_unsigned_short_5_6_5_2d: Passed
[ 12: PASS ] specification.texsubimage2d_empty_tex.rgb_unsigned_short_5_6_5_cube: Passed
[ 13: PASS ] specification.texsubimage2d_empty_tex.rgb_unsigned_byte_2d: Passed
[ 14: PASS ] specification.texsubimage2d_empty_tex.rgb_unsigned_byte_cube: Passed
[ 15: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_4_4_4_4_2d: Image comparison failed
[ 16: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_4_4_4_4_2d: Verification failed
[ 17: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_4_4_4_4_cube: Image comparison failed
[ 18: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_4_4_4_4_cube: Verification failed
[ 19: PASS ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_5_5_5_1_2d: Passed
[ 20: PASS ] specification.texsubimage2d_empty_tex.rgba_unsigned_short_5_5_5_1_cube: Passed
[ 21: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_byte_2d: Image comparison failed
[ 22: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_byte_2d: Verification failed
[ 23: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_byte_cube: Image comparison failed
[ 24: FAIL ] specification.texsubimage2d_empty_tex.rgba_unsigned_byte_cube: Verification failed
[ 25: PASS ] specification.texsubimage2d_empty_tex.rgba_unsigned_byte_cube: successfullyParsed is true
[ FAIL ] 16 failures reported