Fixed automated tests entry point on Windows.

[martnpaneq]

Suggested merge commit message (convention)

Internal: Fixed automated tests entry point on Windows. Closes ckeditor/ckeditor5#17797.

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Additional information

For example – encountered issues, assumptions you had to make, other affected tickets, etc.

[psmyrek]

It works, but now we do not need to manually replace \ with /.

Using the upath.posix.* namespace is not needed.

Also, upath is not added to dependencies.

[przemyslaw-zan]

The file does not generate properly for me:

$ yarn run test -f enter
yarn run v1.22.22
$ node --max_old_space_size=4096 node_modules/@ckeditor/ckeditor5-dev-tests/bin/testautomated.js -f enter
(node:14020) ExperimentalWarning: Importing JSON modules is an experimental feature and might change at any time
(Use `node --trace-warnings ...` to show where the warning was created)
⚠ You're running tests in dev mode - some error protections are loose. Use the `--production` flag to use strictest verification methods.
karma-webpack does not support custom optimization configurations for webpack, the optimizations passed will be ignored.

START:
Webpack bundling...
asset runtime.js 10.7 KiB [emitted] (name: runtime)
asset commons.js 1.1 KiB [emitted] (name: commons) (id hint: commons)
asset entry-point.1182466350.js 473 bytes [emitted] (name: entry-point.1182466350)
Entrypoint entry-point.1182466350 12.2 KiB = runtime.js 10.7 KiB commons.js 1.1 KiB entry-point.1182466350.js 473 bytes

ERROR in ./build/.automated-tests/entry-point.js 3:66
Module parse failed: Bad character escape sequence (3:66)
You may need an appropriate loader to handle this file type, currently no loaders are configured to process this file. See https://webpack.js.org/concepts#loaders
| import "C:/Repositories/ckeditor5/external/ckeditor5-dev/packages/ckeditor5-dev-tests/lib/utils/automated-tests/leaksdetectorbefore.js";
| import "C:/Repositories/ckeditor5/external/ckeditor5-dev/packages/ckeditor5-dev-tests/lib/utils/automated-tests/licensekeybefore.js";
> import "C:\Repositories\ckeditor5\packages\ckeditor5-enter\tests\utils.js";
| import "C:\Repositories\ckeditor5\packages\ckeditor5-enter\tests\shiftentercommand.js";
| import "C:\Repositories\ckeditor5\packages\ckeditor5-enter\tests\shiftenter.js";

[psmyrek]

I confirm it does not work now.

It would be good to have unit test for Windows-specific paths.

[psmyrek]

LGTM 🎉