progtest: bug: constants are not initialized until rating

Ugh, this is nasty.

progtest/bin/runner.js

@@ -32,8 +32,5 @@ const runner = require( '../src/env' ).console(
     program, process.stdout
 );
 
-// XXX: work around issue with consts not being initialized ahead of time
-program.rater( {} );
-
 runner( case_yaml )
     .catch( e => console.error( e ) );

progtest/src/env.js

@@ -52,6 +52,10 @@ module.exports = {
             .use( ConstResolver( program ) )
             ( yaml_reader, TestCase );
 
+        // XXX: work around issue with consts not being initialized ahead of
+        // time (initialized during actual rating...!)
+        program.rater( {} );
+
         return yaml => new Promise( ( resolve, reject ) =>
         {
             try