Do not skip tests

Jenkinsfile

@@ -125,7 +125,7 @@
             readTrusted 'pom.xml'
             sh 'make generate-spec'
             withCredentials([string(credentialsId: 'sonarcloud-token-git-eca-rest-api', variable: 'SONAR_TOKEN')]) {
-              sh 'mvn clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -B -Dsonar.login=${SONAR_TOKEN} -Dmaven.test.skip=true'
+              sh 'mvn clean verify org.sonarsource.scanner.maven:sonar-maven-plugin:sonar -B -Dsonar.login=${SONAR_TOKEN}'
             }
             stash name: "target", includes: "target/**/*"
           }