Text: The frontend/client/Styles/application.scss file contains defaults for various text styles. Please use these if possible.
Buttons: Use the PendingOperationButton component whenever a button triggers an action that is
asynchronous and may take some time, such as updating data in the store or on the server.
PendingOperationButton's operation property accepts a function that takes no arguments and
returns a Promise (or is async; they're equivalent). For actions that complete immediately, such
as opening or closing a modal, use a naked <button> element.
Flaky tests: Some of our Firebase tests flake (i.e. occasionally fail when they shouldn't) because they depend on the completion of Cloud Firestore triggers that take an indeterminate amount of time. We use end-to-end timeouts to wait for those operations to complete. Usually, a trigger completes before the timeout expires, but sometimes it doesn't, causing the test to flake. If a test flakes when you push a PR, re-run the pipeline by navigating to the failed check and clicking "Re-run all jobs."