test: Notification sounds tests running before room is ready

Merged
DO
7mo ago
+9-13

Proposed changes (including videos or screenshots)

Issue(s)

Steps to test or reproduce

Further comments

FLAKY-1572

Summary by CodeRabbit

  • Tests
    • Improved notification sound test suite with enhanced setup efficiency, consolidating redundant initialization steps and ensuring consistent channel readiness checks across all test cases for more reliable test execution.