After putting in countless hours of extra work on a big project, this employee thought a promotion would be his ticket to finally being compensated for all th e extra effort. His managers gave him plenty of praise, so when the senior-level role opened up, he threw his hat in the ring. But what should have been a reward for his hard work quickly turned into a nightmare. After multiple rounds of interviews and weeks of waiting, he landed the promotion—only to find out there wouldn’t be a raise to…