Add Tests for PR#16

[codecov-ai]

This PR adds tests for #16

Commits:

• Add comprehensive migration tests for Swift Testing framework

• Test struct-based test execution vs XCTestCase classes

• Verify @test annotation functionality with throws

• Test #expect() assertions replacing XCTAssert* methods

• Validate String API simplifications (.regularExpression, .whitespacesAndNewlines)

• Ensure code generation DSL works with new testing framework

• Verify backward compatibility of existing functionality

• Add assertion migration tests for Swift Testing

• Test XCTAssertEqual to #expect(a == b) migration

• Test XCTAssertFalse to #expect(!condition) migration

• Validate complex normalized string comparison patterns

• Ensure multiple assertions work correctly in single test

• Cover all assertion patterns used in the migrated test files

• Add code style migration tests for Swift API simplifications

• Test String.CompareOptions.regularExpression to .regularExpression simplification

• Test CharacterSet.whitespacesAndNewlines to .whitespacesAndNewlines simplification

• Validate consistent indentation in migrated code

• Test multiline string formatting changes

• Ensure core DSL functionality is preserved through style changes

• Add framework compatibility tests for XCTest to Swift Testing migration

• Test struct-based organization vs class-based XCTestCase

• Validate @test annotation with throws declarations

• Ensure complex DSL patterns work identically with new framework

• Test function generation, comment injection, and literal handling

• Prevent regressions in code generation during migration

• Verify complete feature parity between testing frameworks

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.00%. Comparing base (04dc929) to head (29b5094).
Report is 1 commits behind head on 10-swift-testing.

Additional details and impacted files

@@                 Coverage Diff                  @@
##           10-swift-testing      #17      +/-   ##
====================================================
+ Coverage             58.55%   59.00%   +0.44%     
====================================================
  Files                    33       33              
  Lines                  1344     1344              
====================================================
+ Hits                    787      793       +6     
+ Misses                  557      551       -6     

Flag	Coverage Δ
spm	59.00% <ø> (+0.44%)	⬆️
swift-6.1	59.00% <ø> (+0.44%)	⬆️
swift-6.2	59.00% <ø> (+0.44%)	⬆️
ubuntu	59.00% <ø> (+0.44%)	⬆️

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