public function testConstruct()
 {
     $select = new Select();
     $this->assertNull($select->getTable());
     $select->setTable("project");
     $this->assertInstanceOf('\\RBM\\SqlQuery\\Table', $select->getTable());
     $c = $select->getColumns();
     $this->assertNotEmpty($c);
     $this->assertCount(1, $c);
     $this->assertEquals(\RBM\SqlQuery\Column::ALL, $c[0]->getName());
 }