diff --git a/src/browser/Page.zig b/src/browser/Page.zig
index bfff78ce..70abf189 100644
--- a/src/browser/Page.zig
+++ b/src/browser/Page.zig
@@ -3585,12 +3585,7 @@ test "WebApi: Page" {
 }
 
 test "WebApi: Frames" {
-    // TOO FLAKY, disabled for now
-
-    // const filter: testing.LogFilter = .init(&.{.js});
-    // defer filter.deinit();
-
-    // try testing.htmlRunner("frames", .{});
+    try testing.htmlRunner("frames", .{});
 }
 
 test "WebApi: Integration" {
diff --git a/src/browser/tests/frames/frames.html b/src/browser/tests/frames/frames.html
index 6634ccf2..0d11b1bb 100644
--- a/src/browser/tests/frames/frames.html
+++ b/src/browser/tests/frames/frames.html
@@ -118,23 +118,24 @@
   }
 </script>
 
-<script id=link_click>
-  testing.async(async (restore) => {
-    await new Promise((resolve) => {
-      let count = 0;
-      let f6 = document.createElement('iframe');
-      f6.id = 'f6';
-      f6.addEventListener('load', () => {
-        if (++count == 2) {
-          resolve();
-          return;
-        }
-        f6.contentDocument.querySelector('#link').click();
-      });
-      f6.src = "support/with_link.html";
-      document.documentElement.appendChild(f6);
-    });
-    restore();
+<script id=link_click type=module>
+  const state = await testing.async();
+
+  let count = 0;
+  let f6 = document.createElement('iframe');
+  f6.id = 'f6';
+  f6.addEventListener('load', () => {
+    if (++count == 2) {
+      state.resolve();
+      return;
+    }
+    f6.contentDocument.querySelector('#link').click();
+  });
+
+  f6.src = 'support/with_link.html';
+  document.documentElement.appendChild(f6);
+
+  await state.done(() => {
     testing.expectEqual("<html><head></head><body>It was clicked!\n</body></html>", f6.contentDocument.documentElement.outerHTML);
   });
 </script>
diff --git a/src/browser/tests/frames/post_message.html b/src/browser/tests/frames/post_message.html
index 837897c3..4899eb1e 100644
--- a/src/browser/tests/frames/post_message.html
+++ b/src/browser/tests/frames/post_message.html
@@ -7,7 +7,6 @@
 {
   let reply = null;
   window.addEventListener('message', (e) => {
-    console.warn('reply')
     reply = e.data;
   });
 
diff --git a/src/browser/tests/frames/support/message_receiver.html b/src/browser/tests/frames/support/message_receiver.html
index 55612a7c..fa9d594d 100644
--- a/src/browser/tests/frames/support/message_receiver.html
+++ b/src/browser/tests/frames/support/message_receiver.html
@@ -1,7 +1,6 @@
 <!DOCTYPE html>
 <script>
   window.addEventListener('message', (e) => {
-    console.warn('Frame Message', e.data);
     if (e.data === 'ping') {
       window.top.postMessage({data: 'pong', origin: e.origin}, '*');
     }
diff --git a/src/browser/tests/testing.js b/src/browser/tests/testing.js
index 3a8eeed3..16d8d374 100644
--- a/src/browser/tests/testing.js
+++ b/src/browser/tests/testing.js
@@ -4,6 +4,7 @@
   let eventuallies = [];
   let async_capture = null;
   let current_script_id = null;
+  let async_pending = 0;
 
   function expectTrue(actual) {
      expectEqual(true, actual);
@@ -64,6 +65,25 @@
   }
 
   async function async(cb) {
+    if (cb == undefined) {
+      let resolve = null
+      const promise = new Promise((r) => { resolve = r});
+      async_pending += 1;
+
+      return {
+        promise: promise,
+        resolve: resolve,
+        capture: {script_id: document.currentScript.id, stack: new Error().stack},
+        done: async function(cb) {
+          await this.promise;
+          async_pending -= 1;
+          async_capture = this.capture;
+          cb();
+          async_capture = false;
+        }
+      };
+    }
+
     let capture = {script_id: document.currentScript.id, stack: new Error().stack};
     await cb(() => { async_capture = capture; });
     async_capture = null;
@@ -74,6 +94,10 @@
       throw new Error('Failed');
     }
 
+    if (async_pending > 0) {
+      return false;
+    }
+
     for (let e of eventuallies) {
       current_script_id = e.script_id;
       e.callback();
@@ -97,6 +121,8 @@
          throw new Error(`script id: '${script_id}' failed: ${status || 'no assertions'}`);
       }
     }
+
+    return true;
   }
 
   const IS_TEST_RUNNER = window.navigator.userAgent.startsWith("Lightpanda/");
diff --git a/src/testing.zig b/src/testing.zig
index 050c9849..302eb239 100644
--- a/src/testing.zig
+++ b/src/testing.zig
@@ -410,21 +410,46 @@ fn runWebApiTest(test_file: [:0]const u8) !void {
     page.js.localScope(&ls);
     defer ls.deinit();
 
-    var try_catch: js.TryCatch = undefined;
-    try_catch.init(&ls.local);
-    defer try_catch.deinit();
+    {
+        var try_catch: js.TryCatch = undefined;
+        try_catch.init(&ls.local);
+        defer try_catch.deinit();
+
+        try page.navigate(url, .{});
+    }
 
-    try page.navigate(url, .{});
     var runner = try test_session.runner(.{});
     try runner.wait(.{ .ms = 2000 });
 
-    test_browser.runMicrotasks();
+    var wait_ms: u32 = 2000;
+    var timer = try std.time.Timer.start();
+    while (true) {
+        var try_catch: js.TryCatch = undefined;
+        try_catch.init(&ls.local);
+        defer try_catch.deinit();
 
-    ls.local.eval("testing.assertOk()", "testing.assertOk()") catch |err| {
-        const caught = try_catch.caughtOrError(arena_allocator, err);
-        std.debug.print("{s}: test failure\nError: {f}\n", .{ test_file, caught });
-        return err;
-    };
+        const js_val = ls.local.exec("testing.assertOk()", "testing.assertOk()") catch |err| {
+            const caught = try_catch.caughtOrError(arena_allocator, err);
+            std.debug.print("{s}: test failure\nError: {f}\n", .{ test_file, caught });
+            return err;
+        };
+        if (js_val.isTrue()) {
+            return;
+        }
+        switch (try runner.tick(.{ .ms = 20 })) {
+            .done => return error.TestNeverSignaledCompletion,
+            .ok => |next_ms| {
+                const ms_elapsed = timer.lap() / 1_000_000;
+                if (ms_elapsed >= wait_ms) {
+                    return error.TestTimedOut;
+                }
+                wait_ms -= @intCast(ms_elapsed);
+                if (next_ms > 0) {
+                    std.Thread.sleep(std.time.ns_per_ms * next_ms);
+                }
+            },
+        }
+    }
 }
 
 // Used by a few CDP tests - wouldn't be sad to see this go.
