Add assertions for new fields in existing specs.

spec/api-app-spec.js

@@ -207,6 +207,14 @@ describe('app module', function () {
       app.on('select-client-certificate', function (event, webContents, url, list, callback) {
         assert.equal(list.length, 1)
         assert.equal(list[0].issuerName, 'Intermediate CA')
+        assert.equal(list[0].subjectName, 'localhost')
+        assert(list[0].issuer);
+        assert.equal(list[0].issuer.commonName, 'Intermediate CA')
+        assert(list[0].subject);
+        assert.equal(list[0].subject.commonName, 'localhost')
+        assert(list[0].issuerCert)
+        assert(list[0].issuerCert.subject)
+        assert.equal(list[0].issuerCert.subject.commonName, 'Intermediate CA')
         callback(list[0])
       })