1 files changed, 8 insertions, 0 deletions
diff --git a/test/functional/rpc_misc.py b/test/functional/rpc_misc.py
index 8a3f8c6f06..c8517d719e 100755
--- a/test/functional/rpc_misc.py
+++ b/test/functional/rpc_misc.py
@@ -19,10 +19,18 @@ from test_framework.authproxy import JSONRPCException
 class RpcMiscTest(BitcoinTestFramework):
     def set_test_params(self):
         self.num_nodes = 1
+        self.supports_cli = False
 
     def run_test(self):
         node = self.nodes[0]
 
+        self.log.info("test CHECK_NONFATAL")
+        assert_raises_rpc_error(
+            -1,
+            "Internal bug detected: 'request.params.size() != 100'",
+            lambda: node.echo(*[0] * 100),
+        )
+
         self.log.info("test getmemoryinfo")
         memory = node.getmemoryinfo()['locked']
         assert_greater_than(memory['used'], 0)