diff --git a/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-4.test.js.snap b/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-4.test.js.snap
deleted file mode 100644
index f17c48fb8a..0000000000
--- a/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-4.test.js.snap
+++ /dev/null
@@ -1,28 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`webpack plugin package webpack4 1`] = `
-[
-  {
-    "chunkNames": [],
-    "chunks": [],
-    "emitted": true,
-    "info": {},
-    "isOverSizeLimit": undefined,
-    "name": "bundle-stats.html",
-    "size": 0,
-  },
-  {
-    "chunkNames": [
-      "main",
-    ],
-    "chunks": [
-      0,
-    ],
-    "emitted": true,
-    "info": {},
-    "isOverSizeLimit": undefined,
-    "name": "main.js",
-    "size": 956,
-  },
-]
-`;
diff --git a/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-5.test.js.snap b/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-5.test.js.snap
deleted file mode 100644
index aa6f1bc09b..0000000000
--- a/packages/webpack-plugin/test/package/__snapshots__/webpack-plugin-webpack-5.test.js.snap
+++ /dev/null
@@ -1,53 +0,0 @@
-// Jest Snapshot v1, https://goo.gl/fbAQLP
-
-exports[`webpack plugin package webpack5 1`] = `
-[
-  {
-    "auxiliaryChunkIdHints": [],
-    "auxiliaryChunkNames": [],
-    "auxiliaryChunks": [],
-    "cached": false,
-    "chunkIdHints": [],
-    "chunkNames": [],
-    "chunks": [],
-    "comparedForEmit": false,
-    "emitted": true,
-    "filteredRelated": undefined,
-    "info": {
-      "development": true,
-      "size": 0,
-    },
-    "isOverSizeLimit": false,
-    "name": "bundle-stats.html",
-    "related": {},
-    "size": 0,
-    "type": "asset",
-  },
-  {
-    "auxiliaryChunkIdHints": [],
-    "auxiliaryChunkNames": [],
-    "auxiliaryChunks": [],
-    "cached": false,
-    "chunkIdHints": [],
-    "chunkNames": [
-      "main",
-    ],
-    "chunks": [
-      590,
-    ],
-    "comparedForEmit": false,
-    "emitted": true,
-    "filteredRelated": undefined,
-    "info": {
-      "javascriptModule": false,
-      "minimized": true,
-      "size": 27,
-    },
-    "isOverSizeLimit": false,
-    "name": "main.js",
-    "related": {},
-    "size": 27,
-    "type": "asset",
-  },
-]
-`;
diff --git a/packages/webpack-plugin/test/package/webpack-plugin-webpack-4.test.js b/packages/webpack-plugin/test/package/webpack-plugin-webpack-4.test.js
index 47db9e186f..5e820994a4 100644
--- a/packages/webpack-plugin/test/package/webpack-plugin-webpack-4.test.js
+++ b/packages/webpack-plugin/test/package/webpack-plugin-webpack-4.test.js
@@ -1,26 +1,26 @@
+const path = require('path');
 const webpack4 = require('webpack4'); // eslint-disable-line
 const MemoryFS = require('memory-fs');
-const { advanceTo } = require('jest-date-mock');
 
 jest.mock('webpack', () => require('./node_modules/webpack4')); // eslint-disable-line
+jest.setTimeout(10 * 1000);
 
 const config = require('./app/webpack.config');
 
-advanceTo(new Date(2020, 10, 30));
-
-jest.setTimeout(10 * 1000);
-
 describe('webpack plugin package', () => {
   test('webpack4', (done) => {
+    const fs = new MemoryFS();
+
     expect.assertions(3);
 
     const compiler = webpack4(config);
-    compiler.outputFileSystem = new MemoryFS();
+    compiler.outputFileSystem = fs;
 
     compiler.run((error, stats) => {
       expect(error).toEqual(null);
       expect(stats.hasErrors()).toBe(false);
-      expect(stats.toJson({ source: false, assets: true }).assets).toMatchSnapshot();
+      const report = fs.readFileSync(path.join(__dirname, './dist/bundle-stats.html'), 'utf-8');
+      expect(report).toBeTruthy();
       done();
     });
   });
diff --git a/packages/webpack-plugin/test/package/webpack-plugin-webpack-5.test.js b/packages/webpack-plugin/test/package/webpack-plugin-webpack-5.test.js
index 25791f58d7..fba6cdd2e7 100644
--- a/packages/webpack-plugin/test/package/webpack-plugin-webpack-5.test.js
+++ b/packages/webpack-plugin/test/package/webpack-plugin-webpack-5.test.js
@@ -1,31 +1,22 @@
+const path = require('path');
 const webpack5 = require('webpack');
 const MemoryFS = require('memory-fs');
-const { advanceTo } = require('jest-date-mock');
-const { set } = require('lodash');
 
 const config = require('./app/webpack.config');
 
-advanceTo(new Date(2020, 10, 30));
-
-jest.setTimeout(10 * 1000);
-
 describe('webpack plugin package', () => {
   test('webpack5', (done) => {
+    const fs = new MemoryFS();
     expect.assertions(3);
 
     const compiler = webpack5(config);
-    compiler.outputFileSystem = new MemoryFS();
+    compiler.outputFileSystem = fs;
 
     compiler.run((error, stats) => {
       expect(error).toEqual(null);
       expect(stats.hasErrors()).toBe(false);
-
-      // Set bundle-stats.html size to 0 to ignore size changes
-      const { assets } = stats.toJson({ source: false, assets: true });
-      set(assets, '[0].size', 0);
-      set(assets, '[0].info.size', 0);
-
-      expect(assets).toMatchSnapshot();
+      const report = fs.readFileSync(path.join(__dirname, './dist/bundle-stats.html'), 'utf-8');
+      expect(report).toBeTruthy();
       done();
     });
   });