refactor: API: Add AuthMethodOIDC class to hold static states

addons/api/tests/unit/classes/auth-method-test.js

@@ -0,0 +1,22 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+import setupMirage from 'ember-cli-mirage/test-support/setup-mirage';
+import { AuthMethod, AuthMethodOIDC } from 'api/classes/auth-method';
+
+module('Unit | Class | auth method', function (hooks) {
+  setupTest(hooks);
+  setupMirage(hooks);
+
+  test('it exists', function (assert) {
+    assert.ok(AuthMethod);
+    assert.ok(AuthMethodOIDC);
+  });
+
+  test('oidc auth method lists states', function (assert) {
+    assert.deepEqual(AuthMethodOIDC.states, [
+      'inactive',
+      'active-private',
+      'active-public',
+    ]);
+  });
+});