fix weekly pipeline (Azure#27340)

Author: kristapratico

sdk/textanalytics/test-resources.json

@@ -11,7 +11,7 @@
         },
         "location": {
             "type": "string",
-            "defaultValue": "eastus",
+            "defaultValue": "[resourceGroup().location]",
             "metadata": {
                 "metadata": {
                     "description": "The location of the resource. By default, this is the same as the resource group."

sdk/textanalytics/tests.yml

@@ -7,6 +7,7 @@ stages:
       ServiceDirectory: textanalytics
       CloudConfig:
         Public:
+          Location: eastus
           SubscriptionConfigurations:
             - $(sub-config-azure-cloud-test-resources)
             - $(sub-config-text-analytics-azure-cloud-test-resources)