Fixed batch test executor to not append output, since it may clash

with older outputs.

Author: hategan

tests/plugins1/_batch_test/test/test.mustache

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-exec &>> "{{psij.script_dir}}/$PSIJ_BATCH_TEST_JOB_ID.out"
+exec &> "{{psij.script_dir}}/$PSIJ_BATCH_TEST_JOB_ID.out"
 
 {{#job.spec.directory}}
 cd "{{.}}"
@@ -30,6 +30,7 @@ for NODE in $(seq 1 1 "$PSIJ_TEST_BATCH_EXEC_COUNT"); do
 done
 
 export PSIJ_NODEFILE
+
 {{#job.spec.inherit_environment}}env \{{/job.spec.inherit_environment}}{{^job.spec.inherit_environment}}env --ignore-environment \{{/job.spec.inherit_environment}}{{#env}}
 {{name}}="{{value}}" \
 {{/env}}{{#psij.launch_command}}{{.}} {{/psij.launch_command}}