/**
  * @expectedException \Exception
  * @expectedExceptionMessage Failed to commit the transaction.
  */
 public function testCommandSucceedsButTransactionFailsReturningFalse()
 {
     $this->connection->shouldReceive('begin')->once();
     $this->connection->shouldReceive('commit')->once()->andReturn(false);
     $this->connection->shouldReceive('rollback')->once();
     $next = function () {
         // no-op
     };
     $this->middleware->execute(new \stdClass(), $next);
 }