Fix the mocking/patching in tests

[gromdimon]

Describe the bug
Currently some tests are skipped due to unfunctional mocking/patching. However, this test increase test coverage and should be included in the overall test suit.

To Reproduce
Steps to reproduce the behavior:

1. Go to any test with "pytest.mark.skip()"
2. Comment out the pytest skip mark
3. Run the test
4. Encounter an error

Expected behavior
Patching should patch what it should patch.

Screenshots
N/A

Additional context
This tests are located in tests/criteria