CONSOLE ERROR: line 1: Uncaught ReferenceError: undefined_variable is not defined This is a testharness.js-based test. FAIL window.onerror - runtime error in setInterval assert_equals: second arg expected "http://web-platform.test:8001/html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html" "file:///.../html/webappapis/scripting/processing-model-2/runtime-error-in-setInterval.html" but got "" PASS window.onerror - runtime error in setInterval (column) Harness: the test ran to completion.