/**
  * @covers SimpleAR\Database\Builder\WhereBuilder::getQueryOptionRelationSeparator
  * @covers WhereBuilder::setQueryOptionRelationSeparator
  */
 public function testQueryOptionRelationSeparator()
 {
     $b = new WhereBuilder();
     $this->assertEquals(Cfg::get('queryOptionRelationSeparator'), $b->getQueryOptionRelationSeparator());
     $b->setQueryOptionRelationSeparator('#');
     $this->assertEquals('#', $b->getQueryOptionRelationSeparator());
     Cfg::set('queryOptionRelationSeparator', '@');
     $b = new WhereBuilder();
     $this->assertEquals('@', $b->getQueryOptionRelationSeparator());
     // Reset the default config option.
     Cfg::set('queryOptionRelationSeparator', '/');
 }