Add a test to verify the query params hack for #19

This way, we have a test that verifies that #19 continues to be resolved even after future changes.

tests/acceptance/basic-url-template-test.js

@@ -50,4 +50,24 @@ module('Acceptance | basic url template', function(hooks) {
     assert.equal(findAll('#post-2').length, 1);
     assert.equal(findAll('#post-3').length, 0);
   });
+
+  test('it prevents ember-data from adding query params', async function(assert) {
+    server.create('post', {
+      slug: 'my-first-post',
+      title: 'This is my first post',
+    });
+
+    let queryParams, params;
+
+    server.get('/my-posts/:slug', (schema, request) => {
+      queryParams = request.queryParams;
+      params = request.params;
+      return schema.posts.findBy({ slug: request.params.slug });
+    });
+
+    await visit('/posts/my-first-post');
+
+    assert.equal(params.slug, 'my-first-post');
+    assert.ok(!queryParams.foo);
+  });
 });

tests/dummy/app/routes/post.js

@@ -2,6 +2,7 @@ import Route from '@ember/routing/route';
 
 export default Route.extend({
   model({ slug }) {
-    return this.store.queryRecord('post', { slug });
+    // Add a random extra query param to see if it ends up in the url
+    return this.store.queryRecord('post', { slug, foo: 'bar' });
   }
 });