Improve the custom auth unit tests

[shenj]

No description provided.

[Copilot]

Pull Request Overview

This PR improves the custom auth unit tests by consolidating dependency mocks and standardizing test response data across various test files. Key changes include replacing inline mock implementations with shared test module functions (e.g. getDefaultLogger, getDefaultBrowserCacheManager) and updating hardcoded token response values with a centralized TestServerTokenResponse.

Reviewed Changes

Copilot reviewed 20 out of 20 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
lib/msal-browser/test/custom_auth/test_resources/TestModules.ts	New shared test modules for default dependencies.
lib/msal-browser/test/custom_auth/sign_up/*	Refactored sign-up tests to use shared dependencies and standardized token responses.
lib/msal-browser/test/custom_auth/sign_in/*	Updated sign-in tests replacing inline mocks and hardcoded values with shared utilities.
lib/msal-browser/test/custom_auth/reset_password/*	Refactored reset password tests to use common test modules and token responses.
lib/msal-browser/test/custom_auth/integration_tests/*	Updated integration tests to use TestServerTokenResponse and add cleanup steps after test execution.
lib/msal-browser/test/custom_auth/core/*	Adjusted core test files to use shared dependencies and remove redundant mocks.