ci: install pytest packages if job name has _pytest_

.gitlab-ci.yml

@@ -159,7 +159,11 @@ cache:
   elif [[ "${CI_JOB_STAGE}" == "build" ]]; then
     run_cmd bash install.sh --enable-ci --enable-pytest
   else
-    run_cmd bash install.sh --enable-ci
+    if ! echo "${CI_JOB_NAME}" | egrep ".+_pytest_.+"; then
+      run_cmd bash install.sh --enable-ci
+    else
+      run_cmd bash install.sh --enable-ci --enable-pytest
+    fi
   fi
 
   source ./export.sh