Bug 1573133 - Adds test for clickable URLs. r=johannh

Depends on D41535

Differential Revision: https://phabricator.services.mozilla.com/D42168

--HG--
extra : moz-landing-system : lando

toolkit/components/certviewer/content/components/info-item.js

@@ -46,6 +46,8 @@ export class InfoItem extends HTMLElement {
       ? this.item.info.join(", ")
       : this.item.info;
 
+    this.classList.add(labelText);
+
     // TODO: Use Fluent-friendly condition.
     if (this.item.label === "Modulus") {
       info.classList.add("long-hex");

toolkit/components/certviewer/tests/browser/browser.ini

@@ -8,3 +8,4 @@ support-files =
 [browser_handleMultipleCertsURL.js]
 [browser_openTabAndSendCertInfo.js]
 [browser_renderCertToUI.js]
+[browser_clickableLink.js]