Add e2e testing for validate and street project and tutorial

[susilnem]

Addresses

• Add e2e test for validate project and tutorial

Depends on

• Merge this first and rebase
  • feat(test): Add e2e testing for the tutorial #159
• feat(street): Street tutorial task generation #149
• feat(test): Add data for validate project and tutorial mapswipe-assets#5

NOTE: Mention related users here if any.

Changes

• add utils for decode the tasks

This PR doesn't introduce any:

• temporary files, auto-generated files or secret keys
• n+1 queries
• flake8 issues
• print
• typos
• unwanted comments

This PR contains valid:

• tests
• permission checks (tests here too)
• translations

[tnagorra]

@susilnem Please add related PRs

[codecov]

Codecov Report

❌ Patch coverage is 99.66387% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.86%. Comparing base (8ff0643) to head (3d3ce15).
⚠️ Report is 11 commits behind head on develop.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ct/tests/e2e_create_validate_image_project_test.py	99.42%	0 Missing and 1 partial ⚠️
.../project/tests/e2e_create_validate_project_test.py	99.45%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #162      +/-   ##
===========================================
+ Coverage    81.24%   84.86%   +3.62%     
===========================================
  Files          196      200       +4     
  Lines        10747    11314     +567     
  Branches       949      965      +16     
===========================================
+ Hits          8731     9602     +871     
+ Misses        1683     1347     -336     
- Partials       333      365      +32     

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