BUG/MAINT: cdaweb downloads, ICON IVM-B tests, new flag to skip new tests

[jklenzing]

Description

Addresses #218 (partial)

Fixes a major issue where cdasws ignores the end date for download requests if no data is present at 00:00:00 on the end date. This fixes most of the items in #218.

Adds testing flags for upcoming pysat pull to ignore "new" tests for now while we update the ecosystem. Usage of flags includes TODO statements linked to the relevant issue.

Turns on tests for ICON IVM-B now that some data is public for that.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

pytest using the enh/test_triage branch of pysat

Test Configuration:

• Operating system: Ventura 3.6.1
• Version number: Python 3.10.9
• pysat enh/test_triage branch

Checklist:

• [x] Make sure you are merging into the develop (not main) branch
• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] Any dependent changes have been merged and published in downstream modules
• [x] Add a note to CHANGELOG.md, summarizing the changes
• [x] Update zenodo.json file for new code contributors

If this is a release PR, replace the first item of the above checklist with the release checklist on the wiki: https://github.com/pysat/pysat/wiki/Checklist-for-Release

[jklenzing]

Tests against pysat RC here: https://github.com/pysat/pysatNASA/actions/runs/7575679334

[jklenzing]

TODO:

• [x] run vs latest RC
• [x] update comment above

[jklenzing]

On doc failure: SABER has added a human check to their websites. Moving the link to the comments so that the link check will skip this.

[aburrell]

Check the fix I made on the GUVI branch, it's a bit more "smart"