chore: fix build on Windows

Author: grdsdev

Package.swift

@@ -79,6 +79,7 @@ let package = Package(
       dependencies: [
         "Auth",
         "_Helpers",
+        "TestHelpers",
         .product(name: "SnapshotTesting", package: "swift-snapshot-testing"),
         .product(name: "XCTestDynamicOverlay", package: "xctest-dynamic-overlay"),
       ],
@@ -115,6 +116,7 @@ let package = Package(
       name: "RealtimeTests",
       dependencies: [
         "Realtime",
+        "TestHelpers",
         .product(name: "CustomDump", package: "swift-custom-dump"),
       ]
     ),
@@ -132,6 +134,7 @@ let package = Package(
       ]
     ),
     .testTarget(name: "SupabaseTests", dependencies: ["Supabase"]),
+    .target(name: "TestHelpers"),
   ]
 )
 

Sources/TestHelpers/WithMainSerialExecutor+Windows.swift

@@ -0,0 +1,17 @@
+//
+//  WithMainSerialExecutor+Windows.swift
+//
+//
+//  Created by Guilherme Souza on 12/03/24.
+//
+
+import Foundation
+
+#if os(Windows)
+  /// Calling this method on Windows has no effect.
+  public func withMainSerialExecutor(
+    @_implicitSelfCapture operation: () throws -> Void
+  ) rethrows {
+    try operation()
+  }
+#endif

Tests/AuthTests/AuthClientTests.swift

@@ -8,6 +8,7 @@
 import XCTest
 @_spi(Internal) import _Helpers
 import ConcurrencyExtras
+import TestHelpers
 
 @testable import Auth
 

Tests/RealtimeTests/RealtimeTests.swift

@@ -3,6 +3,7 @@ import XCTest
 import ConcurrencyExtras
 import CustomDump
 @testable import Realtime
+import TestHelpers
 
 final class RealtimeTests: XCTestCase {
   let url = URL(string: "https://localhost:54321/realtime/v1")!