diff --git a/Userland/Libraries/LibJS/Tests/builtins/BigInt/bigint-basic.js b/Userland/Libraries/LibJS/Tests/builtins/BigInt/bigint-basic.js
index b3fc47d0ad..244bc44a92 100644
--- a/Userland/Libraries/LibJS/Tests/builtins/BigInt/bigint-basic.js
+++ b/Userland/Libraries/LibJS/Tests/builtins/BigInt/bigint-basic.js
@@ -54,6 +54,11 @@ describe("correct behavior", () => {
         expect(1 != 1n).toBeFalse();
         expect(1n != 1.23).toBeTrue();
         expect(1.23 != 1n).toBeTrue();
+
+        const a = 552141064586571465517761649840658n;
+        const b = 704179908449526267977309288010258n;
+        expect(a == a).toBeTrue();
+        expect(a == b).toBeFalse();
     });
 
     test("strong equality operators", () => {
@@ -68,6 +73,11 @@ describe("correct behavior", () => {
         expect(1 !== 1n).toBeTrue();
         expect(1n !== 1.23).toBeTrue();
         expect(1.23 !== 1n).toBeTrue();
+
+        const a = 552141064586571465517761649840658n;
+        const b = 704179908449526267977309288010258n;
+        expect(a === a).toBeTrue();
+        expect(a === b).toBeFalse();
     });
 });