add the basic form

test/javascripts/components/donation-form-test.es6

@@ -2,10 +2,13 @@ import componentTest from "helpers/component-test";
 
 moduleForComponent("donation-form", { integration: true });
 
-componentTest("donation form", {
+componentTest("donation form has content", {
   template: `{{donation-form}}`,
 
-  test(assert) {
-    assert.ok(true);
+  async test(assert) {
+    assert.ok(find('#payment-form').length, 'The form renders');
+    assert.equal(find('.discourse-donations-cause .selected-name')
+      .text()
+      .trim(), 'Select a cause', 'It has the combo box');
   }
 });