public function testToArray()
{
$tableNames = array_keys($this->schemaDefinition['tables']);
$viewNames = array_keys($this->schemaDefinition['views']);
$relationNames = array_keys($this->schemaDefinition['relations']);
$actual = $this->schema->toArray();
$this->assertEquals($tableNames, array_keys($actual['tables']));
$this->assertEquals($viewNames, array_keys($actual['views']));
$this->assertEquals($relationNames, array_keys($actual['relations']));
}