diff --git a/packages/svelte/src/reactivity/url-search-params.test.ts b/packages/svelte/src/reactivity/url-search-params.test.ts
index 3119e6a1d0..27a413a553 100644
--- a/packages/svelte/src/reactivity/url-search-params.test.ts
+++ b/packages/svelte/src/reactivity/url-search-params.test.ts
@@ -203,6 +203,6 @@ test('URLSearchParams.toString', () => {
 	cleanup();
 });
 
-test('URLSearchParams.instanceOf', () => {
-	assert.equal(new SvelteURLSearchParams() instanceof URLSearchParams, true);
+test('SvelteURLSearchParams instanceof URLSearchParams', () => {
+	assert.ok(new SvelteURLSearchParams() instanceof URLSearchParams);
 });
diff --git a/packages/svelte/src/reactivity/url.test.ts b/packages/svelte/src/reactivity/url.test.ts
index d93fb90afc..46430a90a8 100644
--- a/packages/svelte/src/reactivity/url.test.ts
+++ b/packages/svelte/src/reactivity/url.test.ts
@@ -115,6 +115,6 @@ test('url.searchParams', () => {
 	cleanup();
 });
 
-test('URL.instanceOf', () => {
-	assert.equal(new SvelteURL('https://svelte.dev') instanceof URL, true);
+test('SvelteURL instanceof URL', () => {
+	assert.ok(new SvelteURL('https://svelte.dev') instanceof URL);
 });