test: update

test/build/custom-webpack/custom-webpack.js

@@ -0,0 +1 @@
+module.exports = require('webpack');

test/build/custom-webpack/custom-webpack.test.js

@@ -0,0 +1,21 @@
+'use strict';
+
+const { run } = require('../../utils/test-utils');
+
+const importLocalMock = jest.fn();
+jest.setMock('import-local', importLocalMock);
+
+describe('import local', () => {
+    beforeEach(() => {
+        importLocalMock.mockClear();
+    });
+    it('should skip import local when supplied', () => {
+        const { exitCode, stderr, stdout } = run(__dirname, [], {
+            env: { WEBPACK_PACKAGE: './custom-webpack.js' },
+        });
+       // expect(importLocalMock).toHaveBeenCalledTimes(0);
+        //expect(exitCode).toBe(0);
+        expect(stderr).toBeFalsy();
+        expect(stdout).toBeTruthy();
+    });
+});