Fix broken UI tests.

[pixlwave]

The tests have been failing as Xcode now removes Text("").accessibilityIdentifier(someID) from the hierarchy but we are asserting app.staticTexts[someID].exists. This PR simply makes sure there's some non-empty values.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 16.59%. Comparing base (ede2db6) to head (442a26d).
⚠️ Report is 5 commits behind head on develop.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #7994      +/-   ##
===========================================
- Coverage    16.96%   16.59%   -0.38%     
===========================================
  Files         1766     1813      +47     
  Lines       122112   119370    -2742     
  Branches     49184    47775    -1409     
===========================================
- Hits         20719    19807     -912     
+ Misses      100717    98893    -1824     
+ Partials       676      670       -6     

Flag	Coverage Δ
uitests	59.70% <100.00%> (+3.98%)	⬆️
unittests	8.82% <0.00%> (+<0.01%)	⬆️

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