update-w3c-deps import using blink 41e709df01f60521d3c9786d319cdc1690633151:

LayoutTests/imported/web-platform-tests/html/webappapis/scripting/event-loops/resources/common.js

+// Helper for tests that just want to verify the ordering of a series of events.
+// Usage:
+//   log_test(function(t, log) {
+//      log('first');
+//      log('second');
+//   }, ['first', 'second'], 'Ordinal numbers are ordinal');
+
+function log_test(func, expected, description) {
+    async_test(function(t) {
+        var actual = [];
+        function log(entry) {
+            actual.push(entry);
+            if (expected.length <= actual.length) {
+                assert_array_equals(actual, expected);
+                t.done();
+            }
+        }
+        func(t, t.step_func(log));
+    }, description);
+}