chore: fix tests

Author: ersachin3112

test/helpers/normalizeErrors.js

@@ -1,15 +1,17 @@
 function removeCWD(str) {
   const isWin = process.platform === "win32";
   let cwd = process.cwd();
+  let normalizedStr = str;
 
   if (isWin) {
-    // eslint-disable-next-line no-param-reassign
-    str = str.replace(/\\/g, "/");
-    // eslint-disable-next-line no-param-reassign
+    normalizedStr = normalizedStr.replace(/\\/g, "/");
     cwd = cwd.replace(/\\/g, "/");
   }
 
-  return str.replace(new RegExp(cwd, "g"), "");
+  // Normalize file URLs to always use 'file:///'
+  normalizedStr = normalizedStr.replace(/file:\/*/g, "file:///");
+
+  return normalizedStr.replace(new RegExp(cwd, "g"), "");
 }
 
 export default (errors) =>

test/parallel-option.test.js

@@ -18,6 +18,7 @@ jest.mock("os", () => {
     typeof actualOs.availableParallelism !== "undefined";
 
   const mocked = {
+    // eslint-disable-next-line no-undefined
     availableParallelism: isAvailableParallelism ? jest.fn(() => 4) : undefined,
     cpus: jest.fn(() => {
       return { length: 4 };
@@ -132,6 +133,7 @@ describe("parallel option", () => {
   });
 
   it('should match snapshot for the "undefined" value', async () => {
+    // eslint-disable-next-line no-undefined
     new CssMinimizerPlugin({ parallel: undefined }).apply(compiler);
 
     const stats = await compile(compiler);