add test for webpack and turbopack ignore

turbopack/crates/turbopack-tests/tests/execution/turbopack/ignore/basic/input/index.js

@@ -0,0 +1,20 @@
+const webpackIgnore = require(/* webpackIgnore: true */ "./non-existent.js");
+const turbopackIgnore = require(/* turbopackIgnore: true */ "./non-existent.js");
+const webpackImport = import(/* webpackIgnore: false */ "./util.js");
+const turbopackImport = import(/* turbopackIgnore: false */ "./util.js");
+
+it("should ignore webpackIgnore comments", () => {
+  expect(webpackIgnore).toBeUndefined();
+});
+
+it("should ignore turbopackIgnore comments", () => {
+  expect(turbopackIgnore).toBeUndefined();
+});
+
+it("should not ignore webpackIgnore comments when webpackIgnore is false", () => {
+  expect(webpackImport).toBeDefined();
+});
+
+it("should not ignore turbopackIgnore comments when turbopackIgnore is false", () => {
+  expect(turbopackImport).toBeDefined();
+});