Slight rewrite of cls tests

test/cls.test.js

@@ -7,20 +7,22 @@ var chai      = require('chai')
   , Support   = require(__dirname + '/support')
   , Sequelize = Support.Sequelize
   , Promise   = Sequelize.Promise
-  , cls       = require('continuation-local-storage');
+  , cls       = require('continuation-local-storage')
+  , current = Support.sequelize;
 
 chai.config.includeStack = true;
 
 describe(Support.getTestDialectTeaser("Continuation local storage"), function () {
   before(function () {
-    return Support.prepareTransactionTest(Support.createSequelizeInstance({
+    this.sequelize = Support.createSequelizeInstance({
       namespace: cls.createNamespace('sequelize')
-    })).bind(this).then(function (sequelize) {
-      this.sequelize = sequelize;
     });
   });
 
   beforeEach(function () {
+    return Support.prepareTransactionTest(this.sequelize).bind(this).then(function (sequelize) {
+      this.sequelize = sequelize;
+
       this.ns = cls.getNamespace('sequelize');
 
       this.User = this.sequelize.define('user', {
@@ -28,6 +30,7 @@ describe(Support.getTestDialectTeaser("Continuation local storage"), function ()
       });
       return this.sequelize.sync({ force: true });
     });
+  });
 
   var autoCallback = function autoCallback(sequelize, cb) {
     return sequelize.transaction(cb);
@@ -40,6 +43,7 @@ describe(Support.getTestDialectTeaser("Continuation local storage"), function ()
     });
   };
 
+  if (current.dialect.supports.transactions) {
     [autoCallback, thenCallback].forEach(function (cb) {
       describe(cb.name, function () {
         describe('context', function () {
@@ -58,6 +62,8 @@ describe(Support.getTestDialectTeaser("Continuation local storage"), function ()
                 return Promise.resolve();
               }),
               function () {
+                expect(t1id).to.be.ok;
+                expect(t2id).to.be.ok;
                 expect(t1id).not.to.equal(t2id);
               }
             );
@@ -93,12 +99,21 @@ describe(Support.getTestDialectTeaser("Continuation local storage"), function ()
               });
             });
 
-          // Wait for 400 ms - should be enough time to get everything set up
-          return Promise.delay(400).bind(this).then(function () {
-            expect(transactionSetup).to.be.ok;
+            return new Promise(function (resolve)  {
+              // Wait for the transaction to be setup
+              var interval = setInterval(function () {
+                if (transactionSetup) {
+                  clearInterval(interval);
+                  resolve();
+                }
+              }, 200);
+            }).bind(this).then(function () {
               expect(transactionEnded).not.to.be.ok;
 
               expect(this.ns.get('transaction')).not.to.be.ok;
+
+              // Just to make sure it didn't change between our last check and the assertion
+              expect(transactionEnded).not.to.be.ok;
             });
           });
 
@@ -126,4 +141,5 @@ describe(Support.getTestDialectTeaser("Continuation local storage"), function ()
         });
       });
     });
+  }
 });