Improve code coverage in logging-mailhandler tests #512

Author: jmehrens

doc/release/CHANGES.txt

@@ -30,6 +30,7 @@ E  461	OAuth2 POP3 Support for Microsoft
 E  473	Several modules are not included in build when JDK11 is used
 E  493	javamail.providers file missing from provider jars after 1.6.5
 E  505	WriteTimeoutSocket::getFileDescriptor$ support for Conscrypt
+E  512	Improve code coverage in logging-mailhandler tests
 
 
 		  CHANGES IN THE 2.0.0 RELEASE