✨ Add test-suite, add test workflow

[DanielRuthardt]

📑 What

Add test-suite.
Add test workflow.
Add test workflow to package workflow to not publish packages with failed tests.

❓ Why

⚡ How to Review

✅ Testing

• I have tested my work
• I need you to test it too

[Copilot]

Pull Request Overview

This PR introduces a comprehensive testing framework for Bash+ with container-based test isolation, assertion utilities, and CI/CD integration. The framework follows convention-based test discovery and provides visual feedback for test results.

• Implements a complete test suite with 9 assertion functions and test utilities
• Adds GitHub Actions workflow for automated testing with Docker container isolation
• Integrates test validation into the package publishing workflow to prevent releasing packages with failing tests

Reviewed Changes

Copilot reviewed 16 out of 16 changed files in this pull request and generated 10 comments.

Show a summary per file

File	Description
bashpt	Test runner CLI that discovers and executes tests in Docker containers or locally
libs/core/test/assert_success	Assertion to verify commands exit with status 0
libs/core/test/assert_failure	Assertion to verify commands exit with non-zero status
libs/core/test/assert_equals	Assertion to compare two values for equality
libs/core/test/assert_exit_code	Assertion to verify specific exit codes
libs/core/test/assert_output	Assertion to verify command stdout output
libs/core/test/assert_contains	Assertion to check if a string contains a substring
libs/core/test/assert_not_contains	Assertion to check if a string doesn't contain a substring
libs/core/test/assert_command_exists	Assertion to verify command availability in PATH
libs/core/test/assert_eventually	Assertion for async operations with timeout and retry logic
libs/core/test/prep_step	Utility for test setup/teardown steps with distinct visual feedback
libs/user/tests/get_home/test	Example test demonstrating the testing framework usage
docs/TESTING.md	Comprehensive testing documentation covering framework usage and best practices
README.md	Updates to highlight the new testing framework feature
.github/workflows/test.yaml	CI workflow to automatically test all functions with test coverage
.github/workflows/package.yaml	Modified to run tests before publishing packages and skip packages with test failures

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[Copilot]

Pull Request Overview

Copilot reviewed 16 out of 16 changed files in this pull request and generated 4 comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 16 out of 16 changed files in this pull request and generated 12 comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 16 out of 16 changed files in this pull request and generated no new comments.

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