[ENG-5139] Added navbar tests to collections and projects details pages

[Ramyapatil712]

Purpose

Update our selenium test to add new navbar tests to collections discover page and project details page

Product team requested to add these tests to verify search, donate and support link on project details page and collections discover page.

Summary of Changes

For Collections-

• Updated collections.py - added few locators for Search, Add to collections and Donate buttons
• test_navbar.py — Added new classes TestCollectionsNavbarLoggedOut and TestCollectionsNavbarLoggedIn

For Project Details page

Updated test_navbar.py- Added new tests
navbars.py- Added locator for my_projects link

Reviewer's Actions

git fetch <remote> pull/262/head:feature/add-navbartests-to-collections-project

Run this test using
pytest tests/test_navbar.py::TestCollectionsNavbarLoggedIn -sv
pytest tests/test_navbar.py::TestCollectionsNavbarLoggedOut -sv
pytest tests/test_navbar.py::TestProjectsNavbarLoggedIn -sv

Testing Changes Moving Forward

N/A

Ticket

https://openscience.atlassian.net/browse/ENG-5139

[felliott]

Some nitpicks and a few questions. There are a few small style issues i didn't mention that will be fixed up by running isort and black.

[Ramyapatil712]

@felliott , @jh27539 and @cslzchen Done all the changes suggested and used black for formatting. Please review the changes