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

Test: ../../../resources/webgl_test_files/deqp/functional/gles3/shaderbuiltinvar.html
[ 1: FAIL ] builtin_variable.max_vertex_attribs_vertex: drawArrays
[ 2: FAIL ] builtin_variable.max_vertex_attribs_fragment: gl.createProgram()
[ 3: FAIL ] builtin_variable.max_vertex_uniform_vectors_vertex: drawArrays
[ 4: FAIL ] builtin_variable.max_vertex_uniform_vectors_fragment: gl.createProgram()
[ 5: FAIL ] builtin_variable.max_fragment_uniform_vectors_vertex: drawArrays
[ 6: FAIL ] builtin_variable.max_fragment_uniform_vectors_fragment: gl.createProgram()
[ 7: FAIL ] builtin_variable.max_texture_image_units_vertex: drawArrays
[ 8: FAIL ] builtin_variable.max_texture_image_units_fragment: gl.createProgram()
[ 9: FAIL ] builtin_variable.max_vertex_texture_image_units_vertex: drawArrays
[ 10: FAIL ] builtin_variable.max_vertex_texture_image_units_fragment: gl.createProgram()
[ 11: FAIL ] builtin_variable.max_combined_texture_image_units_vertex: drawArrays
[ 12: FAIL ] builtin_variable.max_combined_texture_image_units_fragment: gl.createProgram()
[ 13: FAIL ] builtin_variable.max_draw_buffers_vertex: drawArrays
[ 14: FAIL ] builtin_variable.max_draw_buffers_fragment: gl.createProgram()
[ 15: FAIL ] builtin_variable.max_vertex_output_vectors_vertex: drawArrays
[ 16: FAIL ] builtin_variable.max_vertex_output_vectors_fragment: gl.createProgram()
[ 17: FAIL ] builtin_variable.max_fragment_input_vectors_vertex: drawArrays
[ 18: FAIL ] builtin_variable.max_fragment_input_vectors_fragment: gl.createProgram()
[ 19: FAIL ] builtin_variable.min_program_texel_offset_vertex: drawArrays
[ 20: FAIL ] builtin_variable.min_program_texel_offset_fragment: gl.createProgram()
[ 21: FAIL ] builtin_variable.max_program_texel_offset_vertex: drawArrays
[ 22: FAIL ] builtin_variable.max_program_texel_offset_fragment: gl.createProgram()
[ 23: FAIL ] builtin_variable.depth_range_vertex: Fail
[ 24: FAIL ] builtin_variable.depth_range_fragment: Fail
[ 25: FAIL ] builtin_variable.vertex_id: Image comparison failed
[ 26: FAIL ] builtin_variable.vertex_id: Image comparison failed
[ 27: FAIL ] builtin_variable.fragcoord_xyz: gl.createProgram()
[ 28: FAIL ] builtin_variable.fragcoord_w: gl.createProgram()
[ 29: FAIL ] builtin_variable.pointcoord: Invalid gl.ALIASED_POINT_SIZE_RANGE
[ 30: FAIL ] builtin_variable.frontfacing: gl.createProgram()
[ 31: PASS ] successfullyParsed is true
[ FAIL ] 30 failures reported