* `AbstractMappingMessageRouter#addChannelFromString` uses `StringUtils.tokenizeToStringArray`, so it's enough to check it from test. JIRA: https://jira.springsource.org/browse/INT-2117
* `AbstractMappingMessageRouter#addChannelFromString` uses `StringUtils.tokenizeToStringArray`, so it's enough to check it from test. JIRA: https://jira.springsource.org/browse/INT-2117