Update Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTe…

…sts/ClientTests.cs

Co-authored-by: Matias Quaranta <ealsur@users.noreply.github.com>

Microsoft.Azure.Cosmos/tests/Microsoft.Azure.Cosmos.EmulatorTests/ClientTests.cs

@@ -932,7 +932,7 @@ public async Task MultiRegionAccountTest()
             string connectionString = TestCommon.GetMultiRegionConnectionString();
             Assert.IsNotNull(connectionString);
             Assert.Fail(connectionString[..10]);
-            CosmosClient cosmosClient = new CosmosClient(connectionString);
+            using CosmosClient cosmosClient = new CosmosClient(connectionString);
             Assert.IsNotNull(cosmosClient);
             AccountProperties properties = await cosmosClient.ReadAccountAsync();
             Assert.IsNotNull(properties);