refactor: 💡 remove route-action usage for auth-methods (#2178)

* refactor: 💡 remove route-action usage for auth-methods

✅ Closes: https://hashicorp.atlassian.net/browse/ICU-12603

ui/admin/tests/unit/controllers/scopes/scope/auth-methods/auth-method/accounts/account/index-test.js

@@ -4,7 +4,7 @@
  */
 
 import { module, test } from 'qunit';
-import { setupTest } from 'admin/tests/helpers';
+import { setupTest } from 'ember-qunit';
 
 module(
   'Unit | Controller | scopes/scope/auth-methods/auth-method/accounts/account/index',

ui/admin/tests/unit/controllers/scopes/scope/auth-methods/auth-method/accounts/account/set-password-test.js

@@ -4,7 +4,7 @@
  */
 
 import { module, test } from 'qunit';
-import { setupTest } from 'admin/tests/helpers';
+import { setupTest } from 'ember-qunit';
 
 module(
   'Unit | Controller | scopes/scope/auth-methods/auth-method/accounts/account/set-password',

ui/admin/tests/unit/controllers/scopes/scope/auth-methods/auth-method/accounts/index-test.js

@@ -4,7 +4,7 @@
  */
 
 import { module, test } from 'qunit';
-import { setupTest } from 'admin/tests/helpers';
+import { setupTest } from 'ember-qunit';
 
 module(
   'Unit | Controller | scopes/scope/auth-methods/auth-method/accounts/index',

ui/admin/tests/unit/controllers/scopes/scope/auth-methods/auth-method/accounts/new-test.js

@@ -4,7 +4,7 @@
  */
 
 import { module, test } from 'qunit';
-import { setupTest } from 'admin/tests/helpers';
+import { setupTest } from 'ember-qunit';
 
 module(
   'Unit | Controller | scopes/scope/auth-methods/auth-method/accounts/new',

ui/admin/tests/unit/controllers/scopes/scope/auth-methods/auth-method/index-test.js

@@ -0,0 +1,16 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module(
+  'Unit | Controller | scopes/scope/auth-methods/auth-method/index',
+  function (hooks) {
+    setupTest(hooks);
+
+    test('it exists', function (assert) {
+      let controller = this.owner.lookup(
+        'controller:scopes/scope/auth-methods/auth-method/index',
+      );
+      assert.ok(controller);
+    });
+  },
+);