test: 💍 add missing adapter test

addons/api/addon/adapters/host-catalog.js

@@ -1,28 +1,23 @@
 import ApplicationAdapter from './application';
-import { serializeIntoHash } from '@ember-data/adapter/-private';
 
 export default class HostCatalogAdapter extends ApplicationAdapter {
   /**
-    Called by the store when a newly created record is
-    saved via the `save` method on a model record instance.
-
-    The `createRecord` method serializes the record and makes an Ajax (HTTP POST) request
-    to a URL computed by `buildURL`.
-
-    See `serialize` for information on how to customize the serialized form
-    of a record.
-
-    @method createRecord
-    @param {Store} store
-    @param {Model} type
-    @param {Snapshot} snapshot
-    @return {Promise} promise
-  */
-  createRecord(store, type, snapshot) {
-    let url = this.buildURL(type.modelName, null, snapshot, 'createRecord');
-    const pluginName = snapshot.attr('plugin')?.name;
-    if (pluginName) url = `${url}?plugin_name=${pluginName}`;
-    const data = serializeIntoHash(store, type, snapshot);
-    return this.ajax(url, 'POST', { data });
+   * Overrides the default `buildURL` such that on _create_, URLs for records of
+   * type `plugin` get an extra query parameter `?plugin_name`.  All other
+   * request types behave as normal.
+   *
+   * @override
+   * @param {string} modelName
+   * @param {string} id
+   * @return {string} url
+   * @return {string} requestType
+   */
+  buildURL(modelName, id, snapshot, requestType) {
+    let url = super.buildURL(...arguments);
+    if (requestType === 'createRecord') {
+      const pluginName = snapshot.attr('plugin')?.name;
+      if (pluginName) url = `${url}?plugin_name=${pluginName}`;
+    }
+    return url;
   }
 }