Map<String, Credentials> credstore = createMock(Map.class);
replay(credstore);
NodeMetadata node = new NodeMetadataBuilder().ids("id").status(Status.RUNNING).build();
RefreshCredentialsForNodeIfRanAdminAccess fn = new PersistNodeCredentialsModule.RefreshCredentialsForNodeIfRanAdminAccess(
credstore, null);
assertEquals(node, fn.apply(node));
verify(credstore);
}