Fix linting errors after #13392

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

plugins/permission-node/src/ServerPermissionClient.test.ts

@@ -69,7 +69,7 @@ describe('ServerPermissionClient', () => {
         discovery,
         tokenManager: ServerTokenManager.noop(),
       }),
-    ).toThrowError(
+    ).toThrow(
       'Backend-to-backend authentication must be configured before enabling permissions. Read more here https://backstage.io/docs/tutorials/backend-to-backend-auth',
     );
   });

plugins/permission-node/src/integration/util.test.ts

@@ -51,7 +51,7 @@ describe('permission integration utils', () => {
     });
 
     it('throws if there is no rule for the supplied name', () => {
-      expect(() => getRule('test-rule-3')).toThrowError(
+      expect(() => getRule('test-rule-3')).toThrow(
         /unexpected permission rule/i,
       );
     });