Adding tests for functions (isNode() and isDOM()) coverage
Adding tests for functions (isNode() and isDOM()) coverage

IgniteUI/igniteui-angular2,IgniteUI/igniteui-angular2,dkamburov/igniteui-angular2,IgniteUI/igniteui-angular2,dkamburov/igniteui-angular2,dkamburov/igniteui-angular2