[Extensions] Fixing typos in variable names (Azure#34191)

Author: jsquire

sdk/extensions/Microsoft.Extensions.Azure/tests/AzureClientFactoryTests.cs

@@ -557,10 +557,10 @@ public void DisposableHandlesMixedClients()
             var disposableClient = disposableFactory.CreateClient(nameof(DisposableClient));
 
             var asyncDisposableFactory = provider.GetRequiredService<IAzureClientFactory<AsyncDisposableClient>>();
-            var asyncDispsableClient = asyncDisposableFactory.CreateClient(nameof(AsyncDisposableClient));
+            var asyncDisposableClient = asyncDisposableFactory.CreateClient(nameof(AsyncDisposableClient));
 
             var bothDisposableFactory = provider.GetRequiredService<IAzureClientFactory<BothDisposableClient>>();
-            var bothDispsableClient = bothDisposableFactory.CreateClient(nameof(BothDisposableClient));
+            var bothDisposableClient = bothDisposableFactory.CreateClient(nameof(BothDisposableClient));
 
             Assert.DoesNotThrow(provider.Dispose);
 
@@ -677,10 +677,10 @@ public async Task DisposeAsyncHandlesMixedClients()
             var disposableClient = disposableFactory.CreateClient(nameof(DisposableClient));
 
             var asyncDisposableFactory = provider.GetRequiredService<IAzureClientFactory<AsyncDisposableClient>>();
-            var asyncDispsableClient = asyncDisposableFactory.CreateClient(nameof(AsyncDisposableClient));
+            var asyncDisposableClient = asyncDisposableFactory.CreateClient(nameof(AsyncDisposableClient));
 
             var bothDisposableFactory = provider.GetRequiredService<IAzureClientFactory<BothDisposableClient>>();
-            var bothDispsableClient = bothDisposableFactory.CreateClient(nameof(BothDisposableClient));
+            var bothDisposableClient = bothDisposableFactory.CreateClient(nameof(BothDisposableClient));
 
             await provider.DisposeAsync();