diff --git a/.travis.yml b/.travis.yml
index 6b503962..3bffc6ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,7 +2,7 @@ sudo: false
 language: node_js
 node_js: "4.0"
 script:
-- mocha test/integration/cov.js --reporter mocha-lcov-reporter | ./node_modules/coveralls/bin/coveralls.js
+- mocha test/cov.js --reporter mocha-lcov-reporter | ./node_modules/coveralls/bin/coveralls.js
 - npm install -g bower
 - bower install getstream
   #node test/browser/runner.js
diff --git a/package.json b/package.json
index b6a1aa54..f7d213b9 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,10 @@
   },
   "config": {
     "blanket": {
-      "pattern": "src"
+      "pattern": "src",
+      "data-cover-never": [
+        "node_modules"
+      ]
     }
   },
   "devDependencies": {
diff --git a/test/cov.js b/test/cov.js
new file mode 100644
index 00000000..62aac65f
--- /dev/null
+++ b/test/cov.js
@@ -0,0 +1 @@
+require("blanket")({ /* optional options */ }),  require("./integration/index.js"), require('./unit/index.js');
diff --git a/test/integration/cov.js b/test/integration/cov.js
deleted file mode 100644
index a051dea5..00000000
--- a/test/integration/cov.js
+++ /dev/null
@@ -1 +0,0 @@
-require("blanket")({ /* optional options */ }),  require("./index.js");
diff --git a/test/unit/index.js b/test/unit/index.js
index 48b4c2dc..298b0d8d 100644
--- a/test/unit/index.js
+++ b/test/unit/index.js
@@ -1,6 +1,8 @@
 var expect = require('expect.js');
 var jwt = require('jsonwebtoken');
 var qc = require('quickcheck');
+var utils = require('../../src/lib/utils');
+var errors = require('../../src/lib/errors');
 var node = typeof(window) === 'undefined';
 
 var signing = signing || require('../../src/lib/signing');
@@ -60,3 +62,16 @@ describe('Json web token validation', function() {
   }
 });
 
+describe('Utility functions', function() {
+  it('should validate feed id\'s', function() {
+    expect(utils.validateFeedId('flat:0')).to.be.ok();
+  });
+
+  it('should throw exception while validating faulty feed id',function() {
+    expect(function() {
+      utils.validateFeedId('b134u92fval')
+    }).to.throwError(function(e) {
+      expect(e).to.be.a(errors.FeedError);
+    });
+  });
+});