Improved gerrit change verifing before tests will be started

Change-Id: Ie00f987e4f297b00709ac2673fc679c795296ac1
diff --git a/git-mirror-pipeline.groovy b/git-mirror-pipeline.groovy
index 3a0f892..10fa9a0 100644
--- a/git-mirror-pipeline.groovy
+++ b/git-mirror-pipeline.groovy
@@ -10,7 +10,7 @@
       }
       dir("source") {
         checkout changelog: true, poll: true,
-          scm: [$class: 'GitSCM', branches: pollBranches, doGenerateSubmoduleConfigurations: false, submoduleCfg: [], 
+          scm: [$class: 'GitSCM', branches: pollBranches, doGenerateSubmoduleConfigurations: false,
           extensions: [[$class: 'CleanCheckout']], submoduleCfg: [], userRemoteConfigs: [[credentialsId: CREDENTIALS_ID, url: SOURCE_URL]]]
         git.mirrorGit(SOURCE_URL, TARGET_URL, CREDENTIALS_ID, BRANCHES)
       }