BDMS-218: implement feature tests for water well and spring thing types

[jirhiker]

Why

This PR addresses the following problem / context:

• Ocotillo staging UI indicated that the thing_type filter on the API was not working as expected

How

Implementation summary - the following was changed / added / removed:

• added thing-query.py step file

Notes

Any special considerations, workarounds, or follow-up work to note?

• Use bullet points here

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ All tests successful. No failed tests found.
see 3 files with indirect coverage changes

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

ℹ️ About Codex in GitHub

Your team has set up Codex to review pull requests in this repo. Reviews are triggered when you

• Open a pull request for review
• Mark a draft as ready
• Comment "@codex review".

If Codex has suggestions, it will comment; otherwise it will react with 👍.

Codex can also answer questions or update the PR. Try commenting "@codex address that feedback".