diff --git a/web3.js/test/connection.test.js b/web3.js/test/connection.test.js
index 7fe5f2472cef2e..b4abea830dc908 100644
--- a/web3.js/test/connection.test.js
+++ b/web3.js/test/connection.test.js
@@ -480,6 +480,11 @@ test('transaction', async () => {
       result: 31,
     },
   ]);
+  if (!mockRpcEnabled) {
+    // Credit-only account credits are committed at the end of every slot;
+    // this sleep is to ensure a full slot has elapsed
+    await sleep((1000 * DEFAULT_TICKS_PER_SLOT) / NUM_TICKS_PER_SECOND);
+  }
   expect(await connection.getBalance(accountTo.publicKey)).toBe(31);
 });