add Cloudron.populateAddons

cloudron.js

@@ -407,6 +407,15 @@ Cloudron.prototype.checkDMARC = function (callback) {
     });
 };
 
+Cloudron.prototype.populateAddons = function (location) {
+    var res = request.post('https://' + this.appFqdn(location) + '/populate_addons').end();
+
+    assert.strictEqual(res.statusCode, 200);
+    for (var addon in res.body) {
+        assert.strictEqual(res.body[addon], 'OK');
+    }
+};
+
 Cloudron.prototype.checkAddons = function (location, owner) {
     var lastError;