Added more unit tests for ProductController

Closes #276

See merge request idatt2106-v23-03/backend!226

Resolve "Authentication on waste endpoints + tests"

Closes #272

See merge request idatt2106-v23-03/backend!223

Added more UserController user tests

Closes #273

See merge request idatt2106-v23-03/backend!224

added test for update product in fridge and wast product in fridge

See merge request idatt2106-v23-03/backend!222

limit items to 5

See merge request idatt2106-v23-03/backend!221

added test for update product in fridge and wast product in fridge. also change a tiny bit in the update in fridge service

added random shuffle of zero match recipes

See merge request idatt2106-v23-03/backend!220

Resolve "Group entity and fridge/achivements services test"

Closes #271

See merge request idatt2106-v23-03/backend!218

enhanced weekly menu

See merge request idatt2106-v23-03/backend!219

Merge branch 'test/271-group-entity-and-fridge-achivements-services-test' of gitlab.stud.idi.ntnu.no:idatt2106-v23-03/backend into test/271-group-entity-and-fridge-achivements-services-test

Resolve "fix group controller tests"

Closes #269

See merge request idatt2106-v23-03/backend!217

Resolve "fix group controller tests"

Closes #269

See merge request idatt2106-v23-03/backend!216

Resolve "finish authorizing the shoppinglist endpoints"

Closes #268

See merge request idatt2106-v23-03/backend!215

Resolve "fix authentication on shopping list endpoints"

Closes #266

See merge request idatt2106-v23-03/backend!212

All the bugs related to the alogrithms was fixed

Closes #263

See merge request idatt2106-v23-03/backend!214

fix weekly menu

Closes #263

See merge request idatt2106-v23-03/backend!213