Fix Jenkins tests

Jenkinsfile

@@ -3,24 +3,18 @@ pipeline {
         dockerfile {
             filename 'Dockerfile.jenkins'
             label 'docker-x86_64'
-            args '--user=root --privileged -v /var/run/docker.sock:/var/run/docker.sock'
+            args '-t --user=root --privileged -v /var/run/docker.sock:/var/run/docker.sock'
         }
     }
 
     triggers {
       GenericTrigger(
-         genericVariables: [
+        genericVariables: [[key: 'ref', value: '$.ref']],
-          [key: 'ref', value: '$.ref']
-         ],
-
         causeString: 'Triggered on $ref',
-
         printContributedVariables: true,
         printPostContent: true,
-
         silentResponse: false,
         shouldNotFlatten: false,
-
         regexpFilterText: '$ref',
         regexpFilterExpression: 'refs/heads/' + BRANCH_NAME
       )