fix(url parser): use warn instead of info

Author: Jessica Lord

lib/url_parser.js

@@ -440,7 +440,7 @@ module.exports = function(url, options) {
         break;
       default:
         var logger = Logger('URL Parser');
-        logger.info(`${name} is not supported`);
+        logger.warn(`${name} is not supported as a connection string option`);
         break;
     }
   });

test/functional/url_parser_tests.js

@@ -563,12 +563,12 @@ describe('Url Parser', function() {
       Logger.setCurrentLogger(function(msg, context) {
         expect(msg).to.exist;
         expect(msg).to.contain('not supported');
-        expect(context.type).to.equal('info');
+        expect(context.type).to.equal('warn');
         expect(context.className).to.equal('URL Parser');
         logged = true;
       });
 
-      Logger.setLevel('info');
+      Logger.setLevel('warn');
 
       parse('mongodb://localhost/db?minPoolSize=100');
       expect(logged).to.be.true;