[Bug]: Data race in TestService_Cleanup

[CubicrootXYZ]

Describe the bug

WARNING: DATA RACE
Write at 0x00c00042c168 by goroutine 17:
  runtime.racewrite()
      <autogenerated>:1 +0x1e
  github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon_test.TestService_Cleanup.gowrap1()
      /__w/RemindMe/RemindMe/internal/daemon/cleanup_test.go:19 +0x39

Previous read at 0x00c00042c168 by goroutine 18:
  runtime.raceread()
      <autogenerated>:1 +0x1e
  github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon.(*service).Start.gowrap1()
      /__w/RemindMe/RemindMe/internal/daemon/service.go:97 +0x2e

Goroutine 17 (running) created at:
  github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon_test.TestService_Cleanup()
      /__w/RemindMe/RemindMe/internal/daemon/cleanup_test.go:19 +0x44f
  testing.tRunner()
      /usr/local/go/src/testing/testing.go:2036 +0x21c
  testing.(*T).Run.gowrap1()
      /usr/local/go/src/testing/testing.go:2101 +0x38

Goroutine 18 (finished) created at:
  github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon.(*service).Start()
      /__w/RemindMe/RemindMe/internal/daemon/service.go:97 +0xde
  github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon_test.TestService_Cleanup.gowrap1()
      /__w/RemindMe/RemindMe/internal/daemon/cleanup_test.go:19 +0x39
==================
--- FAIL: TestService_Cleanup (0.01s)
    testing.go:1712: race detected during execution of test
2026/06/24 17:21:20 ERROR failed to send out events error=test
2026/06/24 17:21:20 ERROR failed to send out events error=test
2026/06/24 17:21:20 ERROR failed to send out events error=test
2026/06/24 17:21:20 ERROR failed to send out events error=test
2026/06/24 17:21:20 ERROR failed to send out events error=test
2026/06/24 17:21:20 ERROR failed to send reminder to output error=test output.id=1 output.type=test
2026/06/24 17:21:20 ERROR failed to send reminder to output error=test output.id=1 output.type=test
2026/06/24 17:21:20 ERROR failed to send reminder to output error=test output.id=1 output.type=test
FAIL
2026/06/24 17:21:20 ERROR failed to send reminder to output error=test output.id=1 output.type=test
coverage: 67.3% of statements
FAIL	github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/daemon	0.052s
ok  	github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/database	1.719s	coverage: 22.0% of statements
	github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/database/tests		coverage: 0.0% of statements
	github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/metricserver		coverage: 0.0% of statements
ok  	github.com/CubicrootXYZ/matrix-reminder-and-calendar-bot/internal/random	1.850s	coverage: 87.5% of statements
FAIL

Reproduce the bug

No response

How sever is this bug?

MID (default)

Version

latest

Checklist

• I was able to reproduce the bug with the newest version of the bot
• I confirmed that there is no other issue reporting the same bug