Removed node lts from pipeline and added v14 and v16 manually

Author: Vishal Shingala

.travis.yml

@@ -4,4 +4,5 @@ node_js:
   - "8"
   - "10"
   - "12"
-  - "lts/*"
+  - "14"
+  - "16"

test/system/travis-yml.test.js

@@ -25,7 +25,7 @@ describe('travis.yml', function () {
   describe('strucure', function () {
     it('language must be set to node', function () {
       expect(travisYAML.language).to.be('node_js');
-      expect(travisYAML.node_js).to.eql(['8', '10', '12', 'lts/*']);
+      expect(travisYAML.node_js).to.eql(['8', '10', '12', '14', '16']);
     });
   });
 });