diff --git a/package.json b/package.json
index ebe4819..57ca6b7 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,7 @@
     "test:integration:local:abc": "export RESTURL=http://localhost:3000/v4/ && mocha --timeout 30000 test/integration && mocha --timeout 30000 test/integration/chains/abc/",
     "test:integration:local:bchn": "export RESTURL=http://localhost:3000/v4/ && mocha --timeout 30000 test/integration/ && mocha --timeout 30000 test/integration/chains/bchn/",
     "test:integration:local:testnet": "RESTURL=http://localhost:4000/v4/ mocha --timeout 30000 test/integration/chains/testnet",
-    "test:temp": "export RESTURL=https://bchn.fullstack.cash/v4/ && mocha --timeout 30000 -g '#UTXO' test/integration/chains/bchn/",
+    "test:temp": "export RESTURL=https://abc.fullstack.cash/v4/ && mocha --timeout 30000 -g '#UTXO' test/integration/chains/abc/",
     "test:temp2": "mocha --timeout=30000 -g '#Util' test/unit/",
     "coverage": "nyc report --reporter=text-lcov | coveralls",
     "coverage:report": "nyc --reporter=html mocha --timeout 25000 test/unit/",
diff --git a/src/util.js b/src/util.js
index 684a4c2..51dfc4c 100644
--- a/src/util.js
+++ b/src/util.js
@@ -150,6 +150,30 @@ class Util {
     }
   }
 
+  /**
+   * @api util.sleep() sleep()
+   * @apiName sleep
+   * @apiGroup Util
+   * @apiDescription Promise-based delay.
+   * Expects an integer as input, which represents milliseconds. This function
+   * will return a Promise that resolves that many milliseconds later.
+   *
+   *
+   * @apiExample Example usage:
+   * (async () => {
+   *   try {
+   *     const tenSeconds = 10000
+   *     await bchjs.Util.sleep(tenSeconds)
+   *   } catch(error) {
+   *    console.error(error)
+   *   }
+   * })()
+   *
+   */
+  sleep (ms) {
+    return new Promise(resolve => setTimeout(resolve, ms))
+  }
+
   /**
    * @api util.validateAddress() validateAddress()
    * @apiName Validate Address.
diff --git a/test/integration/chains/abc/utxo-integration.js b/test/integration/chains/abc/utxo-integration.js
index ab856fc..1fb5655 100644
--- a/test/integration/chains/abc/utxo-integration.js
+++ b/test/integration/chains/abc/utxo-integration.js
@@ -22,9 +22,13 @@ describe('#UTXO', () => {
       const result = await bchjs.Utxo.get(addr)
       // console.log(`result: ${JSON.stringify(result, null, 2)}`)
 
-      assert.isArray(result.bchUtxos)
-      assert.isArray(result.slpUtxos)
-      assert.isArray(result.nullUtxos)
+      assert.isArray(result)
+      assert.property(result[0], 'address')
+      assert.property(result[0], 'bchUtxos')
+      assert.property(result[0], 'nullUtxos')
+      assert.property(result[0], 'slpUtxos')
+      assert.isArray(result[0].bchUtxos)
+      assert.isArray(result[0].nullUtxos)
     })
   })
 })