test: Fix failing tests caused by recent updates to the code

[madhavmk]

• Closes Issue #261
• Fixes
  • tests/configs/test_configs_main.py
  • tests/configs/test_configs_posfilter.py

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## dev #262 +/- ## ====================================== Coverage ? 44.39% ====================================== Files ? 29 Lines ? 1863 Branches ? 0 ====================================== Hits ? 827 Misses ? 1036 Partials ? 0 ```

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