feat: Mock the time when testing expiresAt

Author: alex9smith

test/test.js

@@ -234,12 +234,12 @@ describe("DynamoDBStore", () => {
     });
 
     it("should set correct expiry when expiresIn option is set", async () => {
+      const clock = sinon.useFakeTimers(1000000000);
       const storeWithExpiry = new DynamoDBStore({
         client: client,
         table: tableName,
         expiresIn: 1000
       });
-      const beforeTime = Math.floor(Date.now() / 1000);
 
       await new Promise((resolve, reject) => {
         storeWithExpiry.set(
@@ -263,8 +263,8 @@ describe("DynamoDBStore", () => {
       );
 
       const expiryValue = parseInt(result.Item.expires.N);
-      const expectedExpiry = beforeTime + 1000;
-      expiryValue.should.be.approximately(expectedExpiry, 2);
+      expiryValue.should.equal(1000000 + 1000);
+      clock.restore();
     });
   });