Fix tests.

test/Services/FunctionalTests/settings.json

@@ -1,5 +1,6 @@
 {
   "ConnectionString": "Server=tcp:127.0.0.1,5433;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word;",
+  "ExternalCatalogBaseUrl": "http://localhost:5101",
   "IdentityUrl": "http://localhost:5105",
   "isTest": "true",
   "EventBusConnection": "localhost"

test/Services/IntegrationTests/settings.json

@@ -1,5 +1,6 @@
 {
   "ConnectionString": "Server=tcp:127.0.0.1,5433;Database=Microsoft.eShopOnContainers.Services.OrderingDb;User Id=sa;Password=Pass@word;",
+  "ExternalCatalogBaseUrl": "http://localhost:5101",
   "IdentityUrl": "http://localhost:5105",
   "isTest": "true"
 }