Unrealistic demands for minor revisions
My guess is that the editor didn't read the reports carefully and didn't notice that the reviewers suggested significant extra work.

Contact the editor and point this out, and give an estimate of how much time you will need for revisions.  (Try to be conservative in this estimate so you don't put yourself in an unnecessary crunch.)

It's up to you to decide whether to actually do some or all of the extra work requested.  For anything you don't do, write a response explaining why you don't believe the extra work is warranted. (You might want to consult with colleagues to get another opinion.) The editor and reviewers will reconsider the paper and decide if it is acceptable with the changes you made.