Fix queue/table name null or whitespace check

Author: polys

src/BuildingBlocks/HealthChecks/src/Microsoft.Extensions.HealthChecks.AzureStorage/AzureHealthCheckBuilderExtensions.cs

@@ -70,7 +70,7 @@ public static HealthCheckBuilder AddAzureTableStorageCheck(HealthCheckBuilder bu
 
                     var properties = await tableClient.GetServicePropertiesAsync().ConfigureAwait(false);
 
-                    if (String.IsNullOrWhiteSpace(tableName))
+                    if (!String.IsNullOrWhiteSpace(tableName))
                     {
                         var table = tableClient.GetTableReference(tableName);
 
@@ -150,7 +150,7 @@ public static HealthCheckBuilder AddAzureQueueStorageCheck(HealthCheckBuilder bu
 
                     var properties = await queueClient.GetServicePropertiesAsync().ConfigureAwait(false);
 
-                    if (String.IsNullOrWhiteSpace(queueName))
+                    if (!String.IsNullOrWhiteSpace(queueName))
                     {
                         var queue = queueClient.GetQueueReference(queueName);