diff --git a/packages/happy-dom/test/event/EventTarget.test.ts b/packages/happy-dom/test/event/EventTarget.test.ts
index c534db67b..ee12e7340 100644
--- a/packages/happy-dom/test/event/EventTarget.test.ts
+++ b/packages/happy-dom/test/event/EventTarget.test.ts
@@ -189,7 +189,7 @@ describe('EventTarget', () => {
 		});
 	});
 
-	describe('toString()', () => {
+	describe('[Symbol.toStringTag]', () => {
 		it('Returns EventTarget string.', () => {
 			const description = 'EventTarget';
 
diff --git a/packages/happy-dom/test/fetch/AbortSignal.test.ts b/packages/happy-dom/test/fetch/AbortSignal.test.ts
index 8c05e32a3..bb709d26f 100644
--- a/packages/happy-dom/test/fetch/AbortSignal.test.ts
+++ b/packages/happy-dom/test/fetch/AbortSignal.test.ts
@@ -29,7 +29,7 @@ describe('AbortSignal', () => {
 		});
 	});
 
-	describe('AbortSignal.toString()', () => {
+	describe('AbortSignal[Symbol.toStringTag]', () => {
 		it('Returns AbortSignal string.', () => {
 			const description = 'AbortSignal';
 			const signal = new AbortSignal();