Move log processing function to an appropriate file

[farshidtz]

matter-snap-testing/utils/config.go

Lines 54 to 69 in abae29a

	func WaitForLogMessage(t *testing.T, snap, expectedLog string, since time.Time) {
	const maxRetry = 10
	for i := 1; i <= maxRetry; i++ {
	time.Sleep(1 * time.Second)
	t.Logf("Retry %d/%d: Waiting for expected content in logs: %s", i, maxRetry, expectedLog)
	logs := SnapLogs(t, since, snap)
	if strings.Contains(logs, expectedLog) {
	t.Logf("Found expected content in logs: %s", expectedLog)
	return
	}
	}
	t.Fatalf("Time out: reached max %d retries.", maxRetry)
	}

The current version is unrelated to configuration.