JIRA: https://jira.spring.io/browse/INT-3840 * In addition: fix some typos in the `SftpInboundRemoteFileSystemSynchronizerTests` **Cherry-pick to 4.1.x**
JIRA: https://jira.spring.io/browse/INT-3840 * In addition: fix some typos in the `SftpInboundRemoteFileSystemSynchronizerTests` **Cherry-pick to 4.1.x**