How to use the @jupyterlab/cells.Cell.ContentFactory function in @jupyterlab/cells

it('should be the editor factory used by the content factory', () => {
          const factory = new Cell.ContentFactory({ editorFactory });
          expect(factory.editorFactory).toEqual(editorFactory);
        });
      });

it('should create a ContentFactory', () => {
          const factory = new Cell.ContentFactory({ editorFactory });
          expect(factory).toBeInstanceOf(Cell.ContentFactory);
        });
      });

it('should create a new output prompt', () => {
          const factory = new Cell.ContentFactory();
          expect(factory.createOutputPrompt()).toBeInstanceOf(OutputPrompt);
        });
      });

it('should create a new cell header', () => {
          const factory = new Cell.ContentFactory();
          expect(factory.createCellHeader()).toBeInstanceOf(CellHeader);
        });
      });

it('should create a new cell footer', () => {
          const factory = new Cell.ContentFactory();
          expect(factory.createCellFooter()).toBeInstanceOf(CellFooter);
        });
      });

it('should create a new output prompt', () => {
          const factory = new Cell.ContentFactory();
          expect(factory.createOutputPrompt()).toBeInstanceOf(OutputPrompt);
        });
      });

it('should create a ContentFactory', () => {
          const factory = new Cell.ContentFactory({ editorFactory });
          expect(factory).toBeInstanceOf(Cell.ContentFactory);
        });
      });

it('should create a new input prompt', () => {
          const factory = new Cell.ContentFactory();
          expect(factory.createInputPrompt()).toBeInstanceOf(InputPrompt);
        });
      });

export function createBaseCellFactory(): Cell.IContentFactory {
    return new Cell.ContentFactory({ editorFactory });
  }

export function createCodeCellFactory(): Cell.IContentFactory {
    return new Cell.ContentFactory({ editorFactory });
  }