Enhance Test Infrastructure and Namespace Organization in PHP GEDCOM Library

[sweep-ai]

This pull request was created by Sweep to resolve the following request by @curtisdelicata:

Fix unit tests

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Purpose

Improve the testing infrastructure and namespace organization for the PHP GEDCOM library by introducing a base test case and standardizing namespace usage across test files.

Description

This pull request introduces a centralized TestCase base class in the GedcomTest namespace, which provides a common foundation for test cases in the library. The changes include:

• Creating a base TestCase class that extends PHPUnit's TestCase
• Adding a utility method getTestFilePath() to simplify test file path resolution
• Updating existing test files to use the new namespace and inherit from the base test case

Summary

• Added new tests/TestCase.php with base test case infrastructure
• Updated tests/WriterTest.php to:
  • Use GedcomTest namespace
  • Inherit from new base TestCase
• Improved test file organization and path handling
• Standardized namespace usage across test files