tests: Boot iOS26 simulator before running tests

[itaybre]

I noticed that iOS 26 test getting stuck could be related to the simulator not booting.

Found some comments in CircleCI forum mentioning that manually booting the sim helps:

• https://discuss.circleci.com/t/xcode-26-rc/54066/18

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.001%. Comparing base (535ebd9) to head (eca122a).
⚠️ Report is 12 commits behind head on main.
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #6435       +/-   ##
=============================================
+ Coverage   86.682%   87.001%   +0.318%     
=============================================
  Files          447       449        +2     
  Lines        37523     37728      +205     
  Branches     17446     17460       +14     
=============================================
+ Hits         32526     32824      +298     
+ Misses        4951      4861       -90     
+ Partials        46        43        -3     

see 42 files with indirect coverage changes

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[philipphofmann]

Thanks