Resolve code review comments

Author: unknown

src/ResourceManager/Resources/Commands.Resources.Test/ScenarioTests/LocationTests.ps1

@@ -20,11 +20,9 @@ function Test-AzureLocation
 {
     $providerLocations = Get-AzureRmLocation
 
-    Assert-AreEqual 22 $providerLocations.Count
-	
-    $eastAsiaLocation = $providerLocations[0]
-
-    Assert-AreEqual "eastasia" $eastAsiaLocation.Location
-    Assert-AreEqual "East Asia" $eastAsiaLocation.DisplayName
-    Assert-AreEqual 36 $eastAsiaLocation.Providers.Count
+    Assert-True { $providerLocations.Count -gt 0 }
+    foreach ($location in $providerLocations)
+    {
+        Assert-True { $location.Providers.Count -gt 0 }
+    }
  }

src/ResourceManager/Resources/Commands.Resources/Providers/GetAzureLocationCmdlet.cs

@@ -39,7 +39,6 @@ public override void ExecuteCmdlet()
 
             var allLocations = this.ResourcesClient.ListLocations(DefaultContext.Subscription.Id.ToString());
             var providers = this.ResourcesClient.ListResourceProviders(providerName: null, listAvailable: true);
-
             var providerLocations = ConstructResourceProviderLocations(allLocations, providers);
 
             this.WriteObject(providerLocations, enumerateCollection: true);   
@@ -69,8 +68,7 @@ private List<PSResourceProviderLocation> ConstructResourceProviderLocations(List
 
         private Dictionary<string, List<string>> GetLocationProviderMap(List<Provider> providers)
         {
-            var locationMap = new Dictionary<string, List<string>>();
-
+            var locationMap = new Dictionary<string, List<string>>(StringComparer.InvariantCultureIgnoreCase);
             providers.CoalesceEnumerable()
                 .ForEach(provider => AddResourceProvider(provider, locationMap));