[REF] Fix Pledge Test failing on php8 by ensuring all payments have a…

[seamuslee001]

… status assigned and that customGroup is always assigned to the template and updating test to pass in some additional form values

Overview

This fixes the currently failing CRM_Pledge_Form_PledgeTest on php8 by ensuring that all payments even pending ones have a status in the array assigned and also by ensuring customGroup variable is always assigned to the template and fixing the form object in the test

Before

Test fails on php8

After

Test passes on php8

ping @demeritcowboy @eileenmcnaughton

[civibot]

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