Replace session cypress test with equivalent pytest

[brianpeiris]

Detailed information:

• Deleted session.cy.js and replaced it with an equivalent pytest in app/session/tests/test_session_routes.py

Closing issues:

List all issues the pull request solve:

• Closes #404

Test plan (required)

• [x] The PR contains new PyTest unit/integration tests for any function or functional added.
• [x] The PR changes existing PyTest unit/integration tests to keep all tests up to date.
• [x] The PR does not lead to degradation in unit test coverage.
• [x] Project parts affected by changes in this PR was tested manually on your local (using Postman or in any other way). List everything you've tested below:
  • Ran all pytests
  • Ran all cypress tests

[codecov-commenter]

Codecov Report

Base: 68.11% // Head: 68.19% // Increases project coverage by +0.07% :tada:

Coverage data is based on head (4c505f2) compared to base (bddfc4d). Patch has no changes to coverable lines.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## develop #473 +/- ## =========================================== + Coverage 68.11% 68.19% +0.07% =========================================== Files 81 81 Lines 2569 2569 Branches 313 313 =========================================== + Hits 1750 1752 +2 Misses 788 788 + Partials 31 29 -2 ``` | [Impacted Files](https://codecov.io/gh/ClimateMind/climatemind-backend/pull/473?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ClimateMind) | Coverage Δ | | |---|---|---| | [app/scoring/tests/data.py](https://codecov.io/gh/ClimateMind/climatemind-backend/pull/473/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ClimateMind#diff-YXBwL3Njb3JpbmcvdGVzdHMvZGF0YS5weQ==) | `100.00% <0.00%> (+3.33%)` | :arrow_up: | | [app/session/routes.py](https://codecov.io/gh/ClimateMind/climatemind-backend/pull/473/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ClimateMind#diff-YXBwL3Nlc3Npb24vcm91dGVzLnB5) | `100.00% <0.00%> (+4.16%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ClimateMind). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ClimateMind)

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