/**
  * Test if FK checks toggler works.
  */
 public function testFkChecksOnOff()
 {
     $this->assertTrue($this->connection->areForeignKeyChecksOn());
     $this->connection->turnOffForeignKeyChecks();
     $this->assertFalse($this->connection->areForeignKeyChecksOn());
     $this->connection->turnOnForeignKeyChecks();
     $this->assertTrue($this->connection->areForeignKeyChecksOn());
 }