Remove unnecessary field

Author: TheCodeTraveler

src/CommunityToolkit/Xamarin.CommunityToolkit.UnitTests/Helpers/LocalizedStringTests/LocalizedStringTests.cs

@@ -14,21 +14,16 @@ public class LocalizedStringTests
 		readonly CultureInfo initialCulture = CultureInfo.InvariantCulture;
 		readonly LocalizationResourceManager localizationManager = LocalizationResourceManager.Current;
 
-		LocalizedString? localizedString;
-
 		[SetUp]
-		public void Setup()
-		{
-			localizationManager.Init(resourceManager, initialCulture);
-		}
+		public void Setup() => localizationManager.Init(resourceManager, initialCulture);
 
 		[Test]
 		public void LocalizedStringTests_Localized_ValidImplementation()
 		{
 			// Arrange
 			var testString = "test";
 			var culture2 = new CultureInfo("en");
-			localizedString = new LocalizedString(() => resourceManager.GetString(testString, localizationManager.CurrentCulture));
+			var localizedString = new LocalizedString(() => resourceManager.GetString(testString, localizationManager.CurrentCulture));
 
 			string? responceOnCultureChanged = null;
 			localizedString.PropertyChanged += (sender, args) => responceOnCultureChanged = localizedString.Localized;
@@ -54,7 +49,7 @@ public void LocalizedStringTests_ImplicitConversion_ValidImplementation()
 			Func<string> generator = () => testString;
 
 			// Act
-			localizedString = generator;
+			var localizedString = generator;
 
 			// Assert
 			Assert.IsNotNull(localizedString);
@@ -66,8 +61,8 @@ public void LocalizedStringTests_WeekSubscribe_ValidImplementation()
 			// Arrange
 			var isTrigered = false;
 			var culture2 = new CultureInfo("en");
-			localizedString = new LocalizedString(() => string.Empty);
-			localizedString.PropertyChanged += (_, __) => isTrigered = true;
+			var localizedString = new LocalizedString(() => string.Empty);
+			localizedString.PropertyChanged += (_, _) => isTrigered = true;
 
 			// Act
 			GC.Collect();
@@ -86,8 +81,8 @@ public void LocalizedStringTests_Disposed_IfNoReferences()
 			// Arrange
 			var testString = "test";
 			SetLocalizedString();
+			LocalizedString? localizedString = null;
 			var weaklocalizedString = new WeakReference(localizedString);
-			localizedString = null;
 
 			// Act
 			GC.Collect();