magento/magento2#27500 - Replace deprecated constructs from Payment P…

[cristiano-pacheco]

…HPUnit.

Hi @lbajsarowicz, this PR is for the issue #27500 on item app/code/Magento/Payment.

[m2-assistant]

Hi @cristiano-pacheco. Thank you for your contribution
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[m2-assistant]

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[cristiano-pacheco]

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[lbajsarowicz]

@cristiano-pacheco You have done great job. Why you closed the PR?