Also, this would be a duplicate to many existing elementary DP (more specifically, coin change) katas, with a slight twist at the end.

Issues from the "harder" version of this kata also applies to this kata:

Tests are unacceptable: the description says

You are a baker that works in multiple stores, each store has a diferent number of oven types, some have ovens with 10 trays, others with just 4 trays, others with ovens with 4 trays and 10 trays (there are ovens with 1 tray up to 30).

but the actual tests only contains at most 2 trays, which becomes a much easier problem.

Also, this would be a duplicate to many existing elementary DP (more specifically, coin change) katas, with a slight twist at the end.

Anyways, even the tests are unacceptable: the description says

You are a baker that works in multiple stores, each store has a diferent number of oven types, some have ovens with 10 trays, others with just 4 trays, others with ovens with 4 trays and 10 trays (there are ovens with 1 tray up to 30).

but the actual tests only contains at most 2 trays, which becomes a much easier problem.

Similarly, random tests is a complete joke: It only tests [4, 10] against a multiple of 10, which has a trivial solution.

There is a dick move: random tests are secretly testing runtime each run and asserts that it does not exceed a certain value, with no indication this is being tested:

Test Failed
  Expected: less than or equal to 20
  But was:  75

This kata needs random tests.