Use isTest flag for PayU base URL

src/main/kotlin/com/android/trisolarisserver/config/PayuSettingsSchemaFix.kt

@@ -28,11 +28,25 @@ class PayuSettingsSchemaFix(
                     salt_32 varchar,
                     salt_256 varchar,
                     base_url varchar not null,
+                    is_test boolean not null default false,
                     use_salt_256 boolean not null default true,
                     updated_at timestamptz not null
                 )
                 """.trimIndent()
             )
         }
+        val hasIsTest = jdbcTemplate.queryForObject(
+            """
+            select count(*)
+            from information_schema.columns
+            where table_name = 'payu_settings'
+              and column_name = 'is_test'
+            """.trimIndent(),
+            Int::class.java
+        ) ?: 0
+        if (hasIsTest == 0) {
+            logger.info("Adding payu_settings.is_test column")
+            jdbcTemplate.execute("alter table payu_settings add column is_test boolean not null default false")
+        }
     }
 }