* 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_yang_anydata.sh

@@ -155,9 +155,9 @@ EOF
 	# Only positive startup test, ie dont add XMLU if unknown not treated as anyxml
 	# and check for errors
 	cat <<EOF > $dir/startup_db
-<config>    
+<${DATASTORE_TOP}>    
   $XML
-</config>
+</${DATASTORE_TOP}>
 EOF
     fi
 
@@ -283,3 +283,6 @@ testrun true true
 unset RESTCONFIG
 
 rm -rf $dir
+
+new "endtest"
+endtest