test logs

env/test.jenkins

@@ -23,7 +23,7 @@ pipeline {
       }
       failure {
         echo 'I failed :((('
-        sh 'cat $JENKINS_HOME/jobs/$JOB_NAME/builds/lastSuccessfulBuild/log > /tmp/fail2.log'
+        sh 'cat $JENKINS_HOME/jobs/$JOB_NAME/builds/$BUILD_NUMBER/log > /tmp/fail2.log'
       }
       changed {
         echo 'things were different before...'