[Gravity] Fix unit test failures with PHP 7.4

Review Request #687 — Created Jan. 23, 2020 and submitted

pprkut
Lunr
9dba2e5...
lunr

Fix unit test failures with PHP 7.4

Unit tests

smillernl
  1. Ship It!
  2. 
      
pprkut
Review request changed

Status: Closed (submitted)

Change Summary:

Merged into master

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