(test): Fix spec tests

-subdomain=boost-campaigns

src/app/helpers/normalize-urn.ts

 export default function normalizeUrn(urnOrGuid: string) {
- if (!isNaN(<any> urnOrGuid)) {
+ if (!urnOrGuid) {
+ return '';
+ } else if (!isNaN(<any> urnOrGuid)) {
  urnOrGuid = `urn:entity:${urnOrGuid}`;
  } else if (urnOrGuid.indexOf('urn:') !== 0) {
  console.warn(`Invalid URN: ${urnOrGuid}`);

src/app/modules/boost/creator/creator.component.spec.ts

@@ -29,6 +29,7 @@ import { localWalletServiceMock } from '../../../../tests/local-wallet-service-m
 import { sessionMock } from '../../../../tests/session-mock.spec';
 import { Session } from '../../../services/session';
 import { RouterTestingModule } from '@angular/router/testing';
+import { MockComponent } from '../../../utils/mock';
 
 /* tslint:disable */
 @Component({
@@ -374,6 +375,11 @@ describe('BoostCreatorComponent', () => {
  BoostCategorySelectorMock,
  BoostP2PSearchMock,
  BoostCheckoutMock,
+ MockComponent({
+ selector: 'm-tooltip',
+ template: '<ng-content></ng-content>',
+ inputs: ['icon']
+ }),
  ],
  imports: [FormsModule, RouterTestingModule],
  providers: [