Fix azure check

Author: MichelZ

src/Microsoft.Data.SqlClient/tests/ManualTests/SQL/DataStreamTest/DataStreamTest.cs

@@ -180,7 +180,7 @@ private static void RunAllTestsForSingleServer(string connectionString, bool usi
             OutOfOrderGetChars(connectionString);
 
             // Azure Database does not support Server scoped XEvents
-            if (!Utils.IsAzureSqlServer(connectionString))
+            if (!Utils.IsAzureSqlServer(new SqlConnectionStringBuilder(connectionString).DataSource))
             {
                 TestXEventsStreaming(connectionString);
             }