InputDecorator M3 tests migration - Step4 - Hint tests (#144169)

## Description

This PR migrate hint related tests to M3 and adds some missing tests.

It is the fourth step for the M3 test migration for `InputDecorator`.
Step 1: https://github.com/flutter/flutter/pull/142981
Step 2: https://github.com/flutter/flutter/pull/143369
Step 3: https://github.com/flutter/flutter/pull/143520

## Related Issue

Related to https://github.com/flutter/flutter/issues/139076
This commit is contained in:
Bruno Leroux 2024-03-01 11:04:14 +01:00 committed by GitHub
parent f7f4c24285
commit e8f8a8dc17
No known key found for this signature in database
GPG key ID: B5690EEEBB952194

File diff suppressed because it is too large Load diff