Convert to swift testing

Package.swift

@@ -17,8 +17,8 @@ let package = Package(
     )
   ],
   dependencies: [
-    .package(url: "https://github.com/num42/swift-macrotester.git", from: "1.0.3"),
-    .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "601.0.1"),
+    .package(url: "https://github.com/num42/swift-macrotester.git", from: "2.1.0"),
+    .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "602.0.0"),
   ],
   targets: [
     // Targets are the basic building blocks of a package, defining a module or a test suite.

Tests/MemberwiseInitializerTests/MemberwiseInitializerTests.swift

@@ -2,18 +2,18 @@ import MacroTester
 import MemberwiseInitializerMacros
 import SwiftSyntaxMacros
 import SwiftSyntaxMacrosTestSupport
-import XCTest
+import Testing
 
 let testMacros: [String: Macro.Type] = [
   "MemberwiseInitializer": MemberwiseInitializerMacro.self
 ]
 
-final class MemberwiseInitializerTests: XCTestCase {
-  func testMemberwiseInitializer() throws {
-    testMacro(macros: testMacros)
+@Suite struct MemberwiseInitializerTests {
+  @Test func memberwiseInitializer() {
+    MacroTester.testMacro(macros: testMacros)
   }
 
-  func testMemberwiseInitializerWithConstant() throws {
-    testMacro(macros: testMacros)
+  @Test func memberwiseInitializerWithConstant() {
+    MacroTester.testMacro(macros: testMacros)
   }
 }