Align run pytest job to heat based enviromnents

Change-Id: Id7d521f88d899ce1d5da9d0995041780c78106ba
diff --git a/jobs/pipelines/swarm-run-pytest.groovy b/jobs/pipelines/swarm-run-pytest.groovy
index d403861..fdcb2c9 100644
--- a/jobs/pipelines/swarm-run-pytest.groovy
+++ b/jobs/pipelines/swarm-run-pytest.groovy
@@ -67,7 +67,7 @@
 
                 shared.run_sh(sources + installed + """
                     export TESTS_CONFIGS=${ENV_NAME}_salt_deployed.ini
-                    export ENV_MANAGER=devops  # use 'hardware' fixture to manage fuel-devops environment
+                    export ENV_MANAGER=$ENV_MANAGER  # use 'hardware' fixture to manage fuel-devops environment
                     export salt_master_host=\$SALT_MASTER_IP  # skip salt_deployed fixture
                     export salt_master_port=6969
                     export SALT_USER=\$SALTAPI_USER