fix:测试工程编译错误

Author: yefansky

src/test/fixapi.test.ts

@@ -1,7 +1,7 @@
 import * as assert from 'assert';
 import * as vscode from 'vscode';
 import * as cvbMgr from '../cvbManager';
-
+import * as fs from "fs";
 
 suite('Extension Test Suite', () => {
     vscode.window.showInformationMessage('Start all tests.');