hunk.code_window:     return subject;
     }
     private materializeInnerObservable(observable: Observable<any>, outerFrame: number): TestMessage[] {
       const messages: TestMessage[] = [];
       observable.subscribe(
         (value) => {
           messages.push({ frame: this.frame - outerFrame, notification: nextNotification(value) });
         },
  
hunk.labels: keep keep keep keep keep replace replace keep keep
hunk.after_edit:     observable.subscribe({
         next: (value) => {
  
hunk.file_path: src/internal/testing/TestScheduler.ts
hunk.type: replace
file: -a-xy-----b--x--cxyz-|
  
   ----i
  
            ----i
  
                  ----i
  
  > audit()
  
  -----y--------x-----z|
  