testConnection method
Tests connectivity to SES by attempting to fetch send quota data.
Returns true when the quota request succeeds.
Example:
final ok = await client.testConnection();
print(ok);
Implementation
Future<bool> testConnection() async {
try {
final quota = await getSendQuota();
return quota.isNotEmpty;
} catch (e) {
// todo -archeryLogger
return false;
}
}