diff --git a/test/RateLimiterQueue.test.js b/test/RateLimiterQueue.test.js
index 47e2670..d0785c7 100644
--- a/test/RateLimiterQueue.test.js
+++ b/test/RateLimiterQueue.test.js
@@ -49,7 +49,7 @@ describe('RateLimiterQueue with FIFO queue', function RateLimiterQueueTest() {
             rlQueue.removeTokens(1)
               .then((remainingTokens) => {
                 expect(remainingTokens).to.equal(0);
-                expect(Date.now() - startTime >= 1000).to.equal(true);
+                expect(Date.now() - startTime >= 999).to.equal(true);
                 done();
               });
           });
@@ -85,7 +85,7 @@ describe('RateLimiterQueue with FIFO queue', function RateLimiterQueueTest() {
     rlQueue.removeTokens(1).then(() => {
       rlQueue.removeTokens(1).then((remainingTokens) => {
         expect(remainingTokens).to.equal(0);
-        expect(Date.now() - time >= 1000).to.equal(true);
+        expect(Date.now() - time >= 999).to.equal(true);
         done();
       });
     });