Method appendLine

src/test/mockClasses.ts:17–20

(value: string)

        this.output += value;
    }
    public appendLine(value: string) {
        this.append(value);
        this.append('\n');
    }
    // eslint-disable-next-line no-empty,@typescript-eslint/no-empty-function
    public clear() {}
    public show(preservceFocus?: boolean): void;