* Migrate all tests from XCTest to Swift Testing framework
Migrate all tests from XCTest to Swift Testing framework
- Converted all 15 test files across 4 groups from XCTest to Swift Testing
- Replaced XCTestCase classes with @Suite structs
- Replaced XCTAssertEqual/XCTAssertNil/XCTAssertFalse with #expect
- Replaced XCTAssertThrowsError with do/catch/Issue.record pattern
- Removed unused file:/line: parameters from helper functions
- Reverted ProfileTests.swift to XCTest (uses XCTest-specific measure APIs under #if Profile)
- Fixed pre-existing test failures: bitWidth check, capacity assertions
- All 211 tests in 11 suites pass with zero errors
* Add libcurl system dependency install step to wasm CI job
* Downgrade swift-tools-version to 6.0 and remove StrictConcurrency experimental feature flag
* fixes