refactor: 💡 mock authenticate should handle multiple auth types

ui/admin/tests/acceptance/authentication-test.js

@@ -66,8 +66,12 @@ module('Acceptance | authentication', function (hooks) {
     scope = { id: orgScope.id, type: orgScope.type };
     globalAuthMethod = this.server.create('auth-method', {
       scope: globalScope,
+      type: 'password'
+    });
+    authMethod = this.server.create('auth-method', {
+      scope: orgScope,
+      type: 'password'
     });
-    authMethod = this.server.create('auth-method', { scope: orgScope });
     orgScopeID = orgScope.id;
     globalAuthMethodID = globalAuthMethod.id;
     authMethodID = authMethod.id;