chore: add error trigger to smoke test sentry first-party js errors

[mugiwaramunyi]

Add an error trigger in order to sanity test our Sentry third-party JS error filtering

[github-actions]

Test Results

380 tests  +348   370 ✅ +338   26s ⏱️ +26s
 63 suites + 56    10 💤 + 10 
 63 files   + 56     0 ❌ ±  0 

Results for commit be03c9d. ± Comparison against base commit 02c8473.

This pull request removes 2 and adds 350 tests. Note that renamed tests count towards both.

africanlii.tests.test_views.AfricanliiViewsTest ‑ test_homepage
africanlii.tests.test_views.AfricanliiViewsTest ‑ test_legal_instrument_listing

peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_import_taxonomy_tree
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_exclude_actors
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_exclude_doctypes
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_exclude_subtypes
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_include_actors
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_include_doctypes
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_include_subtypes
peachjam.tests.test_adapters.IndigoAdapterTest ‑ test_is_responsible_for_places
peachjam.tests.test_admin.TestDocumentAdminHtmlEdit ‑ test_admin_edit_source_html_updates_content_text_and_toc
peachjam.tests.test_admin.TestJudgmentAdmin ‑ test_add_judgment_docx_swap_pdf
…

♻️ This comment has been updated with latest results.

[longhotsummer]

Not necessary, this gets done by https://github.com/laws-africa/peachjam/blob/main/peachjam/js/app.ts