2d.filter.canvasFilterObject.blur.exceptions
Test exceptions on CanvasFilter() blur.object
Actual output:

FAIL Test exceptions on CanvasFilter() blur.object assert_throws_js: function "function () { ctx.filter = new CanvasFilter({filter: "gaussianBlur"}); }" threw object "ReferenceError: Can't find variable: CanvasFilter" ("ReferenceError") expected instance of function "function TypeError() {
    [native code]
}" ("TypeError")