test: Fix stuck tests on master branch

[philipphofmann]

Some tests get stuck on the master branch, which uses TestCI configuration. The code that gets stuck is accessing UIScreen.mainScreen in SentryCrashIntegration. This is just a workaround; the actual fix will be done with #2284.

#skip-changelog

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1267.02 ms	1284.38 ms	17.36 ms
Size	20.50 KiB	335.95 KiB	315.44 KiB

Baseline results on branch: master

Startup times

Revision	Plain	With Sentry	Diff
c2a9b60	1222.10 ms	1240.62 ms	18.52 ms
9231f60	1256.78 ms	1267.74 ms	10.96 ms
5025d2e	1248.52 ms	1251.72 ms	3.20 ms
c61d869	1255.92 ms	1267.47 ms	11.55 ms
5025d2e	1245.14 ms	1268.58 ms	23.44 ms
b869536	1250.37 ms	1274.84 ms	24.47 ms
3861500	1214.88 ms	1232.48 ms	17.60 ms
e958899	1233.02 ms	1261.86 ms	28.84 ms
0e2e593	1234.78 ms	1266.10 ms	31.32 ms
a5ca27b	1231.31 ms	1252.56 ms	21.25 ms

App size

Revision	Plain	With Sentry	Diff
c2a9b60	20.50 KiB	333.54 KiB	313.04 KiB
9231f60	20.51 KiB	333.58 KiB	313.07 KiB
5025d2e	20.51 KiB	331.79 KiB	311.28 KiB
c61d869	20.51 KiB	333.10 KiB	312.59 KiB
5025d2e	20.51 KiB	331.79 KiB	311.28 KiB
b869536	20.51 KiB	331.79 KiB	311.28 KiB
3861500	20.50 KiB	333.54 KiB	313.04 KiB
e958899	20.51 KiB	331.92 KiB	311.41 KiB
0e2e593	20.50 KiB	333.88 KiB	313.38 KiB
a5ca27b	20.51 KiB	331.81 KiB	311.31 KiB

Previous results on branch: test/fix-failing-master-tests

Startup times

Revision	Plain	With Sentry	Diff
4fc4521	1239.45 ms	1254.30 ms	14.85 ms

App size

Revision	Plain	With Sentry	Diff
4fc4521	20.50 KiB	335.95 KiB	315.45 KiB