Fix test

Author: aidanharan

test/cases/migration_test_sqlserver.rb

@@ -20,7 +20,7 @@ class MigrationTestSQLServer < ActiveRecord::TestCase
     it "not create a tables if error in migrations" do
       begin
         migrations_dir = File.join ARTest::SQLServer.migrations_root, "transaction_table"
-        quietly { ActiveRecord::MigrationContext.new(migrations_dir, ActiveRecord::SchemaMigration).up }
+        quietly { ActiveRecord::MigrationContext.new(migrations_dir).up }
       rescue Exception => e
         assert_match %r|this and all later migrations canceled|, e.message
       end