Merge pull request 'Enabled back unit tests' (#390) from 2460-back_pool_closed into dev

Reviewed-on: #390
Reviewed-by: Carlos Jimenez <carlosjr@verdnatura.es>

Jenkinsfile

@@ -69,13 +69,13 @@ pipeline {
                         }
                     }
                 }
-                /* stage('Backend') {
+                stage('Backend') {
                     steps {
                         nodejs('node-lts') {
                             sh 'gulp backTestOnce --ci'
                         }
                     }
-                } */
+                }
             }
         }
         stage('Build') {