diff --git a/package.json b/package.json
index b6a8916..90af705 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "test:integration:temp:bchn": "export RESTURL=http://157.90.174.219:3000/v5/ && mocha --timeout 30000 test/integration/",
     "test:temp": "export RESTURL=http://localhost:3000/v5/ && mocha --timeout 30000 -g '#Encryption' test/integration/",
     "test:temp2": "mocha --timeout=30000 -g '#TransactionLib' test/unit/",
-    "test:temp3": "export RESTURL=https://bchn.fullstack.cash/v5/ && mocha --timeout 30000 -g '#Transaction' test/integration/",
+    "test:temp3": "export RESTURL=https://bchn.fullstack.cash/v5/ && mocha --timeout 30000 -g '#DSProof' test/integration/chains/",
     "test:temp4": "export RESTURL=http://localhost:3000/v5/ && mocha --timeout 30000 -g '#decodeOpReturn' test/integration/",
     "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 51dfc4c..27d817c 100644
--- a/src/util.js
+++ b/src/util.js
@@ -28,7 +28,7 @@ class Util {
   }
 
   /**
-   * @api util.floor8() floor8()
+   * @api Util.floor8() floor8()
    * @apiName floor8
    * @apiGroup Util
    * @apiDescription Round a number down to 8 decimal places.
@@ -63,7 +63,7 @@ class Util {
   }
 
   /**
-   * @api util.floor2() floor2()
+   * @api Util.floor2() floor2()
    * @apiName floor2
    * @apiGroup Util
    * @apiDescription Round a number down to 2 decimal places.
@@ -98,7 +98,7 @@ class Util {
   }
 
   /**
-   * @api util.chunk20() chunk20()
+   * @api Util.chunk20() chunk20()
    * @apiName chunk20
    * @apiGroup Util
    * @apiDescription chunk up an array into multiple arrays of 20 elements each.
@@ -151,7 +151,7 @@ class Util {
   }
 
   /**
-   * @api util.sleep() sleep()
+   * @api Util.sleep() sleep()
    * @apiName sleep
    * @apiGroup Util
    * @apiDescription Promise-based delay.
@@ -175,7 +175,7 @@ class Util {
   }
 
   /**
-   * @api util.validateAddress() validateAddress()
+   * @api Util.validateAddress() validateAddress()
    * @apiName Validate Address.
    * @apiGroup Util
    * @apiDescription Return information about the given bitcoin address.
diff --git a/test/integration/dsproof.js b/test/integration/chains/bchn/dsproof.js
similarity index 63%
rename from test/integration/dsproof.js
rename to test/integration/chains/bchn/dsproof.js
index 2c91b65..3eda3d0 100644
--- a/test/integration/dsproof.js
+++ b/test/integration/chains/bchn/dsproof.js
@@ -2,16 +2,16 @@
   Integration tests for bchjs dsproof library.
 */
 
-const BCHJS = require('../../src/bch-js')
+const BCHJS = require('../../../../src/bch-js')
 const bchjs = new BCHJS()
 
 describe('#DSProof', () => {
   beforeEach(async () => {
-    if (process.env.IS_USING_FREE_TIER) await sleep(1000)
+    if (process.env.IS_USING_FREE_TIER) await bchjs.Util.sleep(1000)
   })
 
   describe('#getDSProof', () => {
-    it('should get info on the full node', async () => {
+    it('should get TX info from the full node', async () => {
       const txid =
         'ee0df780b58f6f24467605b2589c44c3a50fc849fb8f91b89669a4ae0d86bc7e'
       const result = await bchjs.DSProof.getDSProof(txid)
@@ -19,7 +19,3 @@ describe('#DSProof', () => {
     })
   })
 })
-
-function sleep (ms) {
-  return new Promise(resolve => setTimeout(resolve, ms))
-}