Added supports transactionOptions

lib/dialects/abstract/index.js

@@ -38,6 +38,9 @@ AbstractDialect.prototype.supports = {
   updateOnDuplicate: false,
   schemas: false,
   transactions: true,
+  transactionOptions: {
+    type: false
+  },
   migrations: true,
   upserts: true,
   constraints: {

lib/dialects/sqlite/index.js

@@ -25,6 +25,9 @@ SqliteDialect.prototype.supports = _.merge(_.cloneDeep(Abstract.prototype.suppor
   index: {
     using: false
   },
+  transactionOptions: {
+    type: true
+  },
   joinTableDependent: false,
   groupedLimit: false,
   ignoreDuplicates: ' OR IGNORE'

test/integration/transaction.test.js

@@ -238,7 +238,9 @@ describe(Support.getTestDialectTeaser('Transaction'), function() {
         });
       });
     });
-    
+  }
+  
+  if (current.dialect.supports.transactionOptions.type) {
     describe('transaction types', function() {
       it('should support default transaction type DEFERRED', function() {
         return this.sequelize.transaction({