create reports folder to avoid failure
create reports folder to avoid failure

git-svn-id: https://svn.apache.org/repos/asf/jmeter/trunk@1769516 13f79535-47bb-0310-9956-ffa450edef68

Former-commit-id: 37ad782eb656b7595f4073f920059ee46a3695ed
ham1/jmeter,etnetera/jmeter,ham1/jmeter,ham1/jmeter,ham1/jmeter,benbenw/jmeter,benbenw/jmeter,etnetera/jmeter,apache/jmeter,benbenw/jmeter,apache/jmeter,etnetera/jmeter,ham1/jmeter,benbenw/jmeter,etnetera/jmeter,apache/jmeter,apache/jmeter,apache/jmeter,etnetera/jmeter