diff --git a/packages/svelte/tests/runtime-browser/driver.js b/packages/svelte/tests/runtime-browser/driver.js
index f86c6b20d3..ef6acd08f6 100644
--- a/packages/svelte/tests/runtime-browser/driver.js
+++ b/packages/svelte/tests/runtime-browser/driver.js
@@ -46,8 +46,9 @@ export default async function (target) {
 			} while (new Date().getTime() <= start + ms);
 		};
 
+		flushSync();
+
 		if (config.html) {
-			flushSync();
 			assert.htmlEqual(target.innerHTML, config.html);
 		}
 
diff --git a/packages/svelte/tests/runtime-browser/samples/bind-playbackrate/_config.js b/packages/svelte/tests/runtime-browser/samples/bind-playbackrate/_config.js
index c94ad0ee3c..08da401b75 100644
--- a/packages/svelte/tests/runtime-browser/samples/bind-playbackrate/_config.js
+++ b/packages/svelte/tests/runtime-browser/samples/bind-playbackrate/_config.js
@@ -4,7 +4,6 @@ import { test, ok } from '../../assert';
 export default test({
 	mode: ['client'],
 	async test({ assert, target }) {
-		flushSync();
 		const audio = target.querySelector('audio');
 		const button = target.querySelector('button');
 		ok(audio);
diff --git a/packages/svelte/tests/runtime-browser/samples/head-script/_config.js b/packages/svelte/tests/runtime-browser/samples/head-script/_config.js
index ba2680cac1..f39a2defa9 100644
--- a/packages/svelte/tests/runtime-browser/samples/head-script/_config.js
+++ b/packages/svelte/tests/runtime-browser/samples/head-script/_config.js
@@ -3,7 +3,6 @@ import { test } from '../../assert';
 
 export default test({
 	test({ assert, window }) {
-		flushSync();
 		document.dispatchEvent(new Event('DOMContentLoaded'));
 		assert.equal(window.document.querySelector('button')?.textContent, 'Hello world');
 	}
diff --git a/packages/svelte/tests/runtime-browser/samples/sole-script-tag/_config.js b/packages/svelte/tests/runtime-browser/samples/sole-script-tag/_config.js
index bc81a48fb1..773eeda447 100644
--- a/packages/svelte/tests/runtime-browser/samples/sole-script-tag/_config.js
+++ b/packages/svelte/tests/runtime-browser/samples/sole-script-tag/_config.js
@@ -6,7 +6,6 @@ export default test({
 	// Needs to be in this test suite because JSDOM does not quite get this right.
 	mode: ['client'],
 	test({ window, assert }) {
-		flushSync();
 		// In here to give effects etc time to execute
 		assert.htmlEqual(window.document.body.innerHTML, 'this should be executed');
 	}