assert more things, add test names
diff --git a/html/semantics/embedded-content/the-iframe-element/load-event-timing-fun-times.window.js b/html/semantics/embedded-content/the-iframe-element/load-event-timing-fun-times.window.js
index d8aee55..0625207 100644
--- a/html/semantics/embedded-content/the-iframe-element/load-event-timing-fun-times.window.js
+++ b/html/semantics/embedded-content/the-iframe-element/load-event-timing-fun-times.window.js
@@ -4,14 +4,52 @@
 test(t => {
   const container = document.body.appendChild(document.createElement("div"));
   const f1 = document.createElement("iframe");
+  f1.name = "frame-1";
   const f2 = document.createElement("iframe");
+  f2.name = "frame-2";
   t.add_cleanup(() => container.remove());
   const happened = [];
   f1.onload = t.step_func(() => {
     happened.push("f1 load");
     assert_equals(container.children.length, 2);
+    assert_equals(window.length, 1);
+    assert_not_equals(f1.contentWindow, null);
+    assert_not_equals(f1.contentDocument, null);
+    assert_equals(window[0], f1.contentWindow);
+    assert_equals(window["frame-1"], f1.contentWindow);
+    assert_equals(document["frame-1"], f1.contentWindow);
+    assert_equals(f2.contentWindow, null);
+    assert_equals(f2.contentDocument, null);
+    assert_equals(window[1], undefined);
+    assert_equals(window["frame-2"], undefined);
+    assert_equals(document["frame-2"], f2);
   });
   f2.onload = t.step_func(() => happened.push("f2 load"));
   container.append(f1, f2);
   assert_array_equals(happened, ["f1 load", "f2 load"]);
-}, "");
+}, "<iframe> elements get a nested browsing context at the same time their load event fires");
+
+test(t => {
+  const container = document.body.appendChild(document.createElement("div"));
+  const f1 = document.createElement("iframe");
+  f1.src = "data:,";
+  const f2 = document.createElement("iframe");
+  const f3 = document.createElement("iframe");
+  t.add_cleanup(() => container.remove());
+  const happened = [];
+  f1.onload = t.step_func(() => {
+     assert_array_equals(happened, ["f2 load", "append"]);
+     assert_equals(f1.contentWindow, window[0]);
+     assert_equals(f2.contentWindow, window[1]);
+     assert_equals(f3.contentWindow, window[2]);
+  });
+  f2.onload = t.step_func(() => {
+    assert_array_equals(happened, []);
+    happened.push("f2 load");
+    assert_equals(f1.contentWindow, window[0]);
+    assert_equals(f3.contentDocument, null);
+  });
+  container.append(f1, f2, f3);
+  assert_array_equals(happened, ["f2 load"]);
+  happened.push("append");
+}, "<iframe> elements that do not get a load event 'directly' still get a nested browsing context");