public function testAddingDecimal()
 {
     $blueprint = new Blueprint('users');
     $blueprint->decimal('foo', 5, 2);
     $statements = $blueprint->toSql($this->getConnection(), $this->getGrammar());
     $this->assertEquals(1, count($statements));
     $this->assertEquals('alter table "users" add "foo" decimal(5, 2) not null', $statements[0]);
 }