Tonya Mork 43de6d5cb5 Tests: Add tests for wpdb::_real_escape().
Adds a new dedicated test file.

Adds a test to check that various input types passed to `wpdb::_real_escape()` are handled correctly.

Note: This new test does not test the actual escaping or other logic in the function. Rather, it just and only tests and documents how the function handles various input types.

Props jrf, hellofromTonya.
See #53363.

git-svn-id: https://develop.svn.wordpress.org/trunk@51798 602fd350-edb4-49c9-b593-d223f7449a82
2021-09-10 16:29:24 +00:00
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