tests: Mark functional tests not supporting bitcoin-cli (--usecli) as such

test/functional/mining_getblocktemplate_longpoll.py

@@ -27,6 +27,7 @@ class LongpollThread(threading.Thread):
 class GetBlockTemplateLPTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 2
+        self.supports_cli = False
 
     def skip_test_if_missing_module(self):
         self.skip_if_no_wallet()