hunk.code_window:           actual.push({ frame: this.frame, notification: errorNotification(error) });
           },
           () => {
             actual.push({ frame: this.frame, notification: COMPLETE_NOTIFICATION });
  
hunk.labels: keep keep replace keep
hunk.after_edit:         complete: () => {
  
hunk.file_path: src/internal/testing/TestScheduler.ts
hunk.type: replace
file: import { of, asyncScheduler } from 'rxjs';
  import { bufferTime } from 'rxjs/operators';
  
  it('should infer correctly', () => {
    const o = of(1, 2, 3).pipe(bufferTime(1)); // $ExpectType Observable<number[]>
    const p = of(1, 2, 3).pipe(bufferTime(1, asyncScheduler)); // $ExpectType Observable<number[]>
  });
  
  it('should support a bufferCreationInterval', () => {
    const o = of(1, 2, 3).pipe(bufferTime(1, 6)); // $ExpectType Observable<number[]>
    const p = of(1, 2, 3).pipe(bufferTime(1, 6, asyncScheduler)); // $ExpectType Observable<number[]>
    const q = of(1, 2, 3).pipe(bufferTime(1, undefined)); // $ExpectType Observable<number[]>
    const r = of(1, 2, 3).pipe(bufferTime(1, null)); // $ExpectType Observable<number[]>
  });
  
  it('should support a maxBufferSize', () => {
    const o = of(1, 2, 3).pipe(bufferTime(1, 6, 3)); // $ExpectType Observable<number[]>
    const p = of(1, 2, 3).pipe(bufferTime(1, 6, 3, asyncScheduler)); // $ExpectType Observable<number[]>
    const q = of(1, 2, 3).pipe(bufferTime(1, undefined, 3)); // $ExpectType Observable<number[]>
    const r = of(1, 2, 3).pipe(bufferTime(1, null, 3)); // $ExpectType Observable<number[]>
  });
  
  it('should enforce types', () => {
    const o = of(1, 2, 3).pipe(bufferTime()); // $ExpectError
  });
  
  it('should enforce type of bufferTimeSpan', () => {
    const o = of(1, 2, 3).pipe(bufferTime('3')); // $ExpectError
  });
  
  it('should enforce type of scheduler', () => {
    const o = of(1, 2, 3).pipe(bufferTime(3, '3')); // $ExpectError
  });
  
  it('should enforce type of bufferCreationInterval', () => {
    const o = of(1, 2, 3).pipe(bufferTime(3, '3', asyncScheduler)); // $ExpectError
  });
  
  it('should enforce type of maxBufferSize', () => {
    const o = of(1, 2, 3).pipe(bufferTime(3, 3, '3', asyncScheduler)); // $ExpectError
  });
  