[#18269] If import product has missing categories, make a lookup for existing categories to keep the correct url rewrites

[ulftietze]

…existing categories to keep the correct url rewrites

Description

Fixed Issues (if relevant)

1. Product Import -> Missing categories entry in importfile removes url rewrites #18269: Product Import -> Missing categories entry in importfile removes url rewrites

Manual testing scenarios

1. Updated Unit Test

Contribution checklist

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• All automated tests passed successfully (all builds on Travis CI are green)

[magento-engcom-team]

Hi @ulftietze. Thank you for your contribution
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[magento-engcom-team]

Hi @aleron75, thank you for the review.
ENGCOM-3367 has been created to process this Pull Request

[aleron75]

Hello @ulftietze thank you for your contribution.

Once merged, don't forget you can easily port this PR to other branches with the Porting Tool, read more here.

If you already did it and I missed it, please ignore my message.

Cheers

[sidolov]

Hi @ulftietze , we cannot reproduce described issue:

Manual testing scenario:

1. Two websites are created: base and second
2. Simple product is created on both websites: base and second.
3. Simple product is assigned to categories: Default Category/cat1,Default Category/cat2.
4. URL Rewrite contains following informations:
   

Import csv with following information:
sku,url_key,product_websites simple1,custom-url-key-for-product-123456789,"base,second"

Url rewrites for categories are present in url_rewrite table.

[sivaschenko]

@ulftietze closing the pull request due to inactivity. Feel free to reopen is you will have any additional details for us to reproduce the issue