Php 8.2 fix undefined property, move test to appropriate extension

[eileenmcnaughton]

Overview

Php 8.2 fix undefined property, move test to appropriate extension

Before

Test affected by an undefined property, test should be in the legacycustomsearch extension, but isn't

After

Test moved, undefined property fixed

Technical Details

The undefined property was a hack to access a protected property - I added a getter

I also added a default api version to ContactTestTrait - existing uses will have all had to define it so this won't cause any issues there

Comments

[civibot]

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