slice the options argument if the logging is set to console.log (#7555)

* slice the options argument if the logging is set to console.log

* added test case to check if the options object is available for custom logging function, this test case has been added for the pull request 'slice the options argument if the logging is set to console.log (#7555)'

lib/sequelize.js

@@ -1023,8 +1023,10 @@ class Sequelize {
     if (last && Utils._.isPlainObject(last) && last.hasOwnProperty('logging')) {
     if (last && Utils._.isPlainObject(last) && last.hasOwnProperty('logging')) {
       options = last;
       options = last;
 
 
-      // remove options from set of logged arguments
-      args.splice(args.length-1, 1);
+      // remove options from set of logged arguments if options.logging is equal to console.log
+      if(options.logging === console.log){
+        args.splice(args.length-1, 1);
+      }
     } else {
     } else {
       options = this.options;
       options = this.options;
     }
     }

test/integration/sequelize/log.test.js

@@ -69,6 +69,15 @@ describe(Support.getTestDialectTeaser('Sequelize'), () => {
         this.sequelize.log('om nom');
         this.sequelize.log('om nom');
         expect(this.spy.calledOnce).to.be.true;
         expect(this.spy.calledOnce).to.be.true;
       });
       });
+
+      it('calls the custom logger method with options', function() {
+        const message = 'om nom';
+        const timeTaken = 5;
+        const options = {correlationId: 'ABC001'};
+        this.sequelize.log(message, timeTaken, options);
+        expect(this.spy.withArgs(message, timeTaken, options).calledOnce).to.be.true;
+      });
+
     });
     });
   });
   });
 });
 });