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_pbo_2d_00.html
[ 1: PASS ] specification.texsubimage2d_pbo.rgba32f_2d: Passed
[ 2: FAIL ] specification.texsubimage2d_pbo.rgba32ui_2d: Image comparison failed
[ 3: FAIL ] specification.texsubimage2d_pbo.rgba32ui_2d: Verification failed
[ 4: PASS ] specification.texsubimage2d_pbo.rgba16i_2d: Passed
[ 5: FAIL ] specification.texsubimage2d_pbo.rgba8_2d: Image comparison failed
[ 6: FAIL ] specification.texsubimage2d_pbo.rgba8_2d: Verification failed
[ 7: FAIL ] specification.texsubimage2d_pbo.rgba8ui_2d: Image comparison failed
[ 8: FAIL ] specification.texsubimage2d_pbo.rgba8ui_2d: Verification failed
[ 9: FAIL ] specification.texsubimage2d_pbo.rgb10_a2_2d: Image comparison failed
[ 10: FAIL ] specification.texsubimage2d_pbo.rgb10_a2_2d: Verification failed
[ 11: FAIL ] specification.texsubimage2d_pbo.rgba4_2d: Image comparison failed
[ 12: FAIL ] specification.texsubimage2d_pbo.rgba4_2d: Verification failed
[ 13: PASS ] specification.texsubimage2d_pbo.rgba8_snorm_2d: Passed
[ 14: FAIL ] specification.texsubimage2d_pbo.rgb565_2d: Image comparison failed
[ 15: FAIL ] specification.texsubimage2d_pbo.rgb565_2d: Verification failed
[ 16: PASS ] specification.texsubimage2d_pbo.rgb32f_2d: Passed
[ 17: FAIL ] specification.texsubimage2d_pbo.rgb32ui_2d: Image comparison failed
[ 18: FAIL ] specification.texsubimage2d_pbo.rgb32ui_2d: Verification failed
[ 19: PASS ] specification.texsubimage2d_pbo.rgb16i_2d: Passed
[ 20: PASS ] specification.texsubimage2d_pbo.rgb8_snorm_2d: Passed
[ 21: FAIL ] specification.texsubimage2d_pbo.rgb8ui_2d: Image comparison failed
[ 22: FAIL ] specification.texsubimage2d_pbo.rgb8ui_2d: Verification failed
[ 23: FAIL ] specification.texsubimage2d_pbo.rgb9_e5_2d: Image comparison failed
[ 24: FAIL ] specification.texsubimage2d_pbo.rgb9_e5_2d: Verification failed
[ 25: PASS ] specification.texsubimage2d_pbo.rg32i_2d: Passed
[ 26: FAIL ] specification.texsubimage2d_pbo.rg16f_2d: gl.createProgram()
[ 27: FAIL ] specification.texsubimage2d_pbo.rg16ui_2d: gl.createProgram()
[ 28: FAIL ] specification.texsubimage2d_pbo.rg8i_2d: gl.createProgram()
[ 29: FAIL ] specification.texsubimage2d_pbo.rg8_snorm_2d: gl.createProgram()
[ 30: FAIL ] specification.texsubimage2d_pbo.r32i_2d: gl.createProgram()
[ 31: FAIL ] specification.texsubimage2d_pbo.r16f_2d: gl.createProgram()
[ 32: FAIL ] specification.texsubimage2d_pbo.r16ui_2d: gl.createProgram()
[ 33: FAIL ] specification.texsubimage2d_pbo.r8i_2d: gl.createProgram()
[ 34: FAIL ] specification.texsubimage2d_pbo.r8_snorm_2d: gl.createProgram()
[ 35: PASS ] successfullyParsed is true
[ FAIL ] 27 failures reported