tests: Update customer id for C&C integration tests

Author: mediumTaj

test/IBM.WatsonDeveloperCloud.CompareComply.v1.IT/CompareComplyServiceIntegrationTests.cs

@@ -279,7 +279,7 @@ public void Feedback_Success()
             //  temporary fix for a bug requiring `x-watson-metadata` header
             Dictionary<string, object> customData = new Dictionary<string, object>();
             Dictionary<string, string> customHeaders = new Dictionary<string, string>();
-            customHeaders.Add("x-watson-metadata", "customer_id=125");
+            customHeaders.Add("x-watson-metadata", "customer_id=sdk-test-customer-id");
             customData.Add(Constants.CUSTOM_REQUEST_HEADERS, customHeaders);
 
             var getFeedbackResult = service.GetFeedback(feedbackId, customData:customData);