Only display test class load error message if an error occurs
Only display test class load error message if an error occurs


git-svn-id: https://svn.apache.org/repos/asf/jakarta/jmeter/trunk@323824 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 722ccb6a5f599bf3c413588cb5b9e894ddd54f8c
benbenw/jmeter,benbenw/jmeter,ham1/jmeter,etnetera/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter,apache/jmeter,ham1/jmeter,etnetera/jmeter,benbenw/jmeter,etnetera/jmeter,ham1/jmeter,apache/jmeter,ham1/jmeter,ham1/jmeter,benbenw/jmeter