fix native auth unit tests for visionOS

Author: mipetriu

MSAL/test/unit/native_auth/cache/MSALNativeAuthCacheAccessorTest.swift

@@ -29,14 +29,14 @@ import XCTest
 
 final class MSALNativeAuthCacheAccessorTest: XCTestCase {
     // Based on the OS the access to the Keychain is different
-#if os(iOS)
+#if !os(macOS)
     private let tokenCache: MSIDDefaultTokenCacheAccessor = {
             let dataSource = MSIDKeychainTokenCache()
             return MSIDDefaultTokenCacheAccessor(dataSource: dataSource, otherCacheAccessors: [])
         }()
 
     private let accountMetadataCache: MSIDAccountMetadataCacheAccessor = MSIDAccountMetadataCacheAccessor(dataSource: MSIDKeychainTokenCache())
-#elseif os(macOS)
+#else
     private let tokenCache: MSIDDefaultTokenCacheAccessor = {
             let dataSource = MSIDTestCacheDataSource()
             return MSIDDefaultTokenCacheAccessor(dataSource: dataSource, otherCacheAccessors: [])

MSAL/test/unit/native_auth/network/MSALNativeAuthUrlRequestSerializerTests.swift

@@ -132,11 +132,11 @@ final class MSALNativeAuthUrlRequestSerializerTests: MSALNativeAuthTestCase {
 
         Self.logger.expectation = expectation
         var impossibleToEncode = [String: Any]()
-#if os(iOS)
+#if !os(macOS)
         impossibleToEncode = [
             "param": UIView()
         ]
-#elseif os(macOS)
+#else
         impossibleToEncode = [
             "param": NSView()
         ]