My ngneat test used to work, but after I turned my pipe into standalone, it stopped working and gave me this error: Error: Unexpected "TimeAgoPipe" found in the "declarations" array of the "DynamicTestModule" NgModule, "TimeAgoPipe" is marked as standalone and can't be declared in any NgModule - did you intend to import it instead (by adding it to the "imports" array)? Here's the snippet of my code that I changed: @Pipe({ name: 'timeAgo', standalone: true // ADDED THIS. }) export class TimeAgoPipe implements PipeTransform { // some implementation... } my spec: describe('TimeAgoPipe', () => { let spectator: SpectatorPipe<TimeAgoPipe>; const createPipe = createPipeFactory({ pipe: TimeAgoPipe, providers: [ // providers ], }); // other tests.. } I've been checking out the ngneat docs, there's nothing about standalone pipes. createComponentFactory has declareComponent:false to fix a similar issue, but what is the equivalent for pipes? How do i fix this? Continue reading...