Move standalone pgadmin tests from e2e-other to e2e.

[dsessler7]

Checklist:

• [x] Have you added an explanation of what your changes do and why you'd like them to be included?
• [ ] Have you updated or added documentation for the change, as applicable?
• [ ] Have you tested your changes on all related environments with successful results, as applicable?
  • [ ] Have you added automated tests?

Type of Changes:

• [ ] New feature
• [ ] Bug fix
• [ ] Documentation
• [x] Testing enhancement
• [ ] Other

What is the current behavior (link to any open issues here)?

Tests for standalone pgadmin functionality are in e2e-other and therefore do not get run nightly.

What is the new behavior (if this is a feature change)?

• [ ] Breaking change (fix or feature that would cause existing functionality to change)

The standalone pgadmin tests are now all in e2e and will get run nightly.

Other Information: