def run(self):
        """Run the test batch
        """

        self.info_log("The test batch is ready.")

        self.executed_tests = []

        for test in self.tests:
            localhost_instance = LocalhostInstance(
                runner=self,
                browser_config=self.browser_config,
                test_name=test.Test.name
            )

            localhost_instance.startup()

            with DbSessionContext(BROME_CONFIG['database']['mongo_database_name']) as session:  # noqa
                test_batch = session.query(Testbatch)\
                    .filter(Testbatch.mongo_id == self.test_batch_id).one()
                test_batch.total_executing_tests = 1
                session.save(test_batch, safe=True)

            test_ = test.Test(
                runner=self,
                browser_config=self.browser_config,
                name=test.Test.name,
                test_batch_id=self.test_batch_id,
                localhost_instance=localhost_instance,
                index=1
            )

            test_.execute()
            self.executed_tests.append(test_)

            localhost_instance.tear_down()
Run the test batch