// Check that entering moz://a into the address bar directs us to a new url add_task(function*() { let path = getRootDirectory(gTestPath).substring("chrome://mochitests/content/".length); yield SpecialPowers.pushPrefEnv({ set: [["toolkit.mozprotocol.url", `https://example.com/${path}mozprotocol.html`]], }); yield BrowserTestUtils.withNewTab("about:blank", function*() { gBrowser.loadURI("moz://a"); yield BrowserTestUtils.waitForLocationChange(gBrowser, `https://example.com/${path}mozprotocol.html`); ok(true, "Made it to the expected page"); }); });