* Made a separate Clixon datastore XML/JSON top-level symbol

* Replaces the hardcoded "config" keyword.
  * Implemented by a compile-time option called `DATASTORE_TOP_SYMBOL` option in clixon_custom.h
* Tests: added endtest to all tests. Removed all premature exits if BE=0

test/test_nacm_datanode_paths.sh

@@ -68,7 +68,7 @@ EOF
 
 # Set initial NACM rules in startup enabling admin and a single param config
 cat <<EOF > $dir/startup_db
-<config>
+<${DATASTORE_TOP}>
    <table xmlns="urn:example:nacm">
      <parameters>
        <parameter>
@@ -86,7 +86,7 @@ cat <<EOF > $dir/startup_db
      $NGROUPS
      $NADMIN
    </nacm>
-</config>
+</${DATASTORE_TOP}>
 EOF
 
 new "test params: -f $cfg"
@@ -171,3 +171,6 @@ fi
 unset RESTCONFIG
 
 rm -rf $dir
+
+new "endtest"
+endtest