Magento 2 - error creating db table from custom schema - magento2

Question

I'm trying to create a custom module for Magento 2 and I've got to the point of defining the schema in the /Setup/InstallSchema.php
When running 'php bin/magento setup:upgrade' I get the error:
Call to undefined function Test/Connector/Setup/getConnection()
The module is enabled and correctly showing in the config file. The schema file I'm trying to run is:
<?php
namespace Test\Connector\Setup;
use Magento\Framework\Setup\InstallSchemaInterface;
use Magento\Framework\Setup\ModuleContextInterface;
use Magento\Framework\Setup\SchemaSetupInterface;
use Magento\Framework\DB\Ddl\Table;
class InstallSchema implements InstallSchemaInterface
{
public function install(SchemaSetupInterface $setup, ModuleContextInterface
$context) {
$installer = $setup;
$installer->startSetup();
$tableName = $installer->getTable('test_connector_settings');
if ($installer->getConnection()->isTableExists($tableName) != true) {
$table = $installer->getConnection()
->newTable($installer->getTable('ipos_connector_settings'))
->addColumn('id', Table::TYPE_SMALLINT, null, ['identity'=> true, 'nullable'=>false, 'primary'=>true], 'ID')
->addColumn('api_url', Table::TYPE_TEXT, 255, ['nullable'=>true], 'API URL')
->addColumn('api_user', Table::TYPE_TEXT, 100, ['nullable'=>false], 'API User Name')
->addColumn('api_password', Table::TYPE_TEXT, 100, ['nullable'=>false], 'API Password');
$installer-getConnection()->createTable($table);
}
$installer->endSetup();
}
}
Thanks in advance,

Answer 1

Please change this line
$installer-getConnection()->createTable($table); // your code line.
With
$installer->getConnection()->createTable($table);