message: fix mac ci
diff: def testSteps(scmVars, String buildDir, List environment, String testList) {
  withEnv(environment) {
  - sh """
  + sh """#!/bin/bash
  export IROHA_POSTGRES_PASSWORD=${IROHA_POSTGRES_PASSWORD}; \
  export IROHA_POSTGRES_USER=${IROHA_POSTGRES_USER}; \
  mkdir -p /var/jenkins/${scmVars.GIT_COMMIT}-${BUILD_NUMBER}; \
  