Various test fixes (#873)

* Switch back to macos-12 and see if the tests work

* Fix unit tests, add default invited, joined and active member counts to the mock room proxy

* Try running UI tests on 14.3 but on an existing iPad simulator

* Revert "Try running UI tests on 14.3 but on an existing iPad simulator"

This reverts commit b075e7fa384330a9070dc35ed4dded57e0af26e1.

.github/workflows/integration-tests.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   integration_tests:
     name: Integration Tests
-    runs-on: macos-13
+    runs-on: macos-12
 
     concurrency:
       # Only allow a single run of this workflow on each branch, automatically cancelling older runs.

.github/workflows/ui_tests.yml

@@ -9,7 +9,7 @@ on:
 jobs:
   tests:
     name: Tests
-    runs-on: macos-13
+    runs-on: macos-12
 
     concurrency:
       # When running on develop, use the sha to allow all runs of this workflow to run concurrently.